1647617140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{367}}^1\times {\mathrm{557}}^1$

素因数の和:977

約数の個数: 96

約数和(自身を含む): 3863752704

約数和(自身を除く): 2216135564

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 367, 403, 557, 620, 734, 806, 1114, 1468, 1612, 1835, 2015, 2228, 2785, 3670, 4030, 4771, 5570, 7241, 7340, 8060, 9542, 11140, 11377, 14482, 17267, 19084, 22754, 23855, 28964, 34534, 36205, 45508, 47710, 56885, 69068, 72410, 86335, 95420, 113770, 144820, 147901, 172670, 204419, 224471, 227540, 295802, 345340, 408838, 448942, 591604, 739505, 817676, 897884, 1022095, 1122355, 1479010, 2044190, 2244710, 2657447, 2958020, 4088380, 4489420, 5314894, 6336989, 10629788, 12673978, 13287235, 25347956, 26574470, 31684945, 53148940, 63369890, 82380857, 126739780, 164761714, 329523428, 411904285, 823808570, 1647617140]

約数ペア:

[(1, 1647617140), (2, 823808570), (4, 411904285), (5, 329523428), (10, 164761714), (13, 126739780), (20, 82380857), (26, 63369890), (31, 53148940), (52, 31684945), (62, 26574470), (65, 25347956), (124, 13287235), (130, 12673978), (155, 10629788), (260, 6336989), (310, 5314894), (367, 4489420), (403, 4088380), (557, 2958020), (620, 2657447), (734, 2244710), (806, 2044190), (1114, 1479010), (1468, 1122355), (1612, 1022095), (1835, 897884), (2015, 817676), (2228, 739505), (2785, 591604), (3670, 448942), (4030, 408838), (4771, 345340), (5570, 295802), (7241, 227540), (7340, 224471), (8060, 204419), (9542, 172670), (11140, 147901), (11377, 144820), (14482, 113770), (17267, 95420), (19084, 86335), (22754, 72410), (23855, 69068), (28964, 56885), (34534, 47710), (36205, 45508)]