268079968

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{2609}}^1$

素因数の和:2664

約数の個数: 72

約数和(自身を含む): 601813800

約数和(自身を除く): 333733832

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 76, 104, 152, 169, 208, 247, 304, 338, 416, 494, 608, 676, 988, 1352, 1976, 2609, 2704, 3211, 3952, 5218, 5408, 6422, 7904, 10436, 12844, 20872, 25688, 33917, 41744, 49571, 51376, 67834, 83488, 99142, 102752, 135668, 198284, 271336, 396568, 440921, 542672, 644423, 793136, 881842, 1085344, 1288846, 1586272, 1763684, 2577692, 3527368, 5155384, 7054736, 8377499, 10310768, 14109472, 16754998, 20621536, 33509996, 67019992, 134039984, 268079968]

約数ペア:

[(1, 268079968), (2, 134039984), (4, 67019992), (8, 33509996), (13, 20621536), (16, 16754998), (19, 14109472), (26, 10310768), (32, 8377499), (38, 7054736), (52, 5155384), (76, 3527368), (104, 2577692), (152, 1763684), (169, 1586272), (208, 1288846), (247, 1085344), (304, 881842), (338, 793136), (416, 644423), (494, 542672), (608, 440921), (676, 396568), (988, 271336), (1352, 198284), (1976, 135668), (2609, 102752), (2704, 99142), (3211, 83488), (3952, 67834), (5218, 51376), (5408, 49571), (6422, 41744), (7904, 33917), (10436, 25688), (12844, 20872)]