205998156

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{13}}^2\times {\mathrm{691}}^1$

素因数の和:741

約数の個数: 162

約数和(自身を含む): 656860932

約数和(自身を除く): 450862776

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 49, 52, 63, 78, 84, 91, 98, 117, 126, 147, 156, 169, 182, 196, 234, 252, 273, 294, 338, 364, 441, 468, 507, 546, 588, 637, 676, 691, 819, 882, 1014, 1092, 1183, 1274, 1382, 1521, 1638, 1764, 1911, 2028, 2073, 2366, 2548, 2764, 3042, 3276, 3549, 3822, 4146, 4732, 4837, 5733, 6084, 6219, 7098, 7644, 8281, 8292, 8983, 9674, 10647, 11466, 12438, 14196, 14511, 16562, 17966, 19348, 21294, 22932, 24843, 24876, 26949, 29022, 33124, 33859, 35932, 42588, 43533, 49686, 53898, 58044, 62881, 67718, 74529, 80847, 87066, 99372, 101577, 107796, 116779, 125762, 135436, 149058, 161694, 174132, 188643, 203154, 233558, 251524, 298116, 304731, 323388, 350337, 377286, 406308, 440167, 467116, 565929, 609462, 700674, 754572, 817453, 880334, 1051011, 1131858, 1218924, 1320501, 1401348, 1634906, 1760668, 2102022, 2263716, 2452359, 2641002, 3269812, 3961503, 4204044, 4904718, 5282004, 5722171, 7357077, 7923006, 9809436, 11444342, 14714154, 15846012, 17166513, 22888684, 29428308, 34333026, 51499539, 68666052, 102999078, 205998156]

約数ペア:

[(1, 205998156), (2, 102999078), (3, 68666052), (4, 51499539), (6, 34333026), (7, 29428308), (9, 22888684), (12, 17166513), (13, 15846012), (14, 14714154), (18, 11444342), (21, 9809436), (26, 7923006), (28, 7357077), (36, 5722171), (39, 5282004), (42, 4904718), (49, 4204044), (52, 3961503), (63, 3269812), (78, 2641002), (84, 2452359), (91, 2263716), (98, 2102022), (117, 1760668), (126, 1634906), (147, 1401348), (156, 1320501), (169, 1218924), (182, 1131858), (196, 1051011), (234, 880334), (252, 817453), (273, 754572), (294, 700674), (338, 609462), (364, 565929), (441, 467116), (468, 440167), (507, 406308), (546, 377286), (588, 350337), (637, 323388), (676, 304731), (691, 298116), (819, 251524), (882, 233558), (1014, 203154), (1092, 188643), (1183, 174132), (1274, 161694), (1382, 149058), (1521, 135436), (1638, 125762), (1764, 116779), (1911, 107796), (2028, 101577), (2073, 99372), (2366, 87066), (2548, 80847), (2764, 74529), (3042, 67718), (3276, 62881), (3549, 58044), (3822, 53898), (4146, 49686), (4732, 43533), (4837, 42588), (5733, 35932), (6084, 33859), (6219, 33124), (7098, 29022), (7644, 26949), (8281, 24876), (8292, 24843), (8983, 22932), (9674, 21294), (10647, 19348), (11466, 17966), (12438, 16562), (14196, 14511)]