205221996

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{317}}^1\times {\mathrm{367}}^1$

素因数の和:708

約数の個数: 108

約数和(自身を含む): 607003488

約数和(自身を除く): 401781492

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 317, 367, 441, 588, 634, 734, 882, 951, 1101, 1268, 1468, 1764, 1902, 2202, 2219, 2569, 2853, 3303, 3804, 4404, 4438, 5138, 5706, 6606, 6657, 7707, 8876, 10276, 11412, 13212, 13314, 15414, 15533, 17983, 19971, 23121, 26628, 30828, 31066, 35966, 39942, 46242, 46599, 53949, 62132, 71932, 79884, 92484, 93198, 107898, 116339, 139797, 161847, 186396, 215796, 232678, 279594, 323694, 349017, 465356, 559188, 647388, 698034, 814373, 1047051, 1396068, 1628746, 2094102, 2443119, 3257492, 4188204, 4886238, 5700611, 7329357, 9772476, 11401222, 14658714, 17101833, 22802444, 29317428, 34203666, 51305499, 68407332, 102610998, 205221996]

約数ペア:

[(1, 205221996), (2, 102610998), (3, 68407332), (4, 51305499), (6, 34203666), (7, 29317428), (9, 22802444), (12, 17101833), (14, 14658714), (18, 11401222), (21, 9772476), (28, 7329357), (36, 5700611), (42, 4886238), (49, 4188204), (63, 3257492), (84, 2443119), (98, 2094102), (126, 1628746), (147, 1396068), (196, 1047051), (252, 814373), (294, 698034), (317, 647388), (367, 559188), (441, 465356), (588, 349017), (634, 323694), (734, 279594), (882, 232678), (951, 215796), (1101, 186396), (1268, 161847), (1468, 139797), (1764, 116339), (1902, 107898), (2202, 93198), (2219, 92484), (2569, 79884), (2853, 71932), (3303, 62132), (3804, 53949), (4404, 46599), (4438, 46242), (5138, 39942), (5706, 35966), (6606, 31066), (6657, 30828), (7707, 26628), (8876, 23121), (10276, 19971), (11412, 17983), (13212, 15533), (13314, 15414)]