1649666798

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:238

約数の個数: 96

約数和(自身を含む): 2940883200

約数和(自身を除く): 1291216402

約数列:

[1, 2, 13, 26, 29, 31, 58, 61, 62, 89, 122, 169, 178, 338, 377, 403, 754, 793, 806, 899, 1157, 1586, 1769, 1798, 1891, 2314, 2581, 2759, 3538, 3782, 4901, 5162, 5239, 5429, 5518, 9802, 10309, 10478, 10858, 11687, 15041, 20618, 22997, 23374, 24583, 30082, 33553, 35867, 45994, 49166, 54839, 67106, 70577, 71734, 80011, 109678, 141154, 151931, 157441, 160022, 168299, 298961, 303862, 314882, 319579, 336598, 436189, 466271, 597922, 639158, 712907, 872378, 917501, 932542, 1040143, 1425814, 1835002, 2046733, 2080286, 2187887, 4093466, 4375774, 4880671, 9267791, 9761342, 13521859, 18535582, 26607529, 27043718, 28442531, 53215058, 56885062, 63448723, 126897446, 824833399, 1649666798]

約数ペア:

[(1, 1649666798), (2, 824833399), (13, 126897446), (26, 63448723), (29, 56885062), (31, 53215058), (58, 28442531), (61, 27043718), (62, 26607529), (89, 18535582), (122, 13521859), (169, 9761342), (178, 9267791), (338, 4880671), (377, 4375774), (403, 4093466), (754, 2187887), (793, 2080286), (806, 2046733), (899, 1835002), (1157, 1425814), (1586, 1040143), (1769, 932542), (1798, 917501), (1891, 872378), (2314, 712907), (2581, 639158), (2759, 597922), (3538, 466271), (3782, 436189), (4901, 336598), (5162, 319579), (5239, 314882), (5429, 303862), (5518, 298961), (9802, 168299), (10309, 160022), (10478, 157441), (10858, 151931), (11687, 141154), (15041, 109678), (20618, 80011), (22997, 71734), (23374, 70577), (24583, 67106), (30082, 54839), (33553, 49166), (35867, 45994)]