65015990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:154

約数の個数: 96

約数和(自身を含む): 140403456

約数和(自身を除く): 75387466

約数列:

[1, 2, 5, 10, 13, 17, 26, 31, 34, 62, 65, 73, 85, 130, 146, 155, 169, 170, 221, 310, 338, 365, 403, 442, 527, 730, 806, 845, 949, 1054, 1105, 1241, 1690, 1898, 2015, 2210, 2263, 2482, 2635, 2873, 4030, 4526, 4745, 5239, 5270, 5746, 6205, 6851, 9490, 10478, 11315, 12337, 12410, 13702, 14365, 16133, 22630, 24674, 26195, 28730, 29419, 32266, 34255, 38471, 52390, 58838, 61685, 68510, 76942, 80665, 89063, 123370, 147095, 161330, 178126, 192355, 209729, 294190, 382447, 384710, 419458, 445315, 500123, 764894, 890630, 1000246, 1048645, 1912235, 2097290, 2500615, 3824470, 5001230, 6501599, 13003198, 32507995, 65015990]

約数ペア:

[(1, 65015990), (2, 32507995), (5, 13003198), (10, 6501599), (13, 5001230), (17, 3824470), (26, 2500615), (31, 2097290), (34, 1912235), (62, 1048645), (65, 1000246), (73, 890630), (85, 764894), (130, 500123), (146, 445315), (155, 419458), (169, 384710), (170, 382447), (221, 294190), (310, 209729), (338, 192355), (365, 178126), (403, 161330), (442, 147095), (527, 123370), (730, 89063), (806, 80665), (845, 76942), (949, 68510), (1054, 61685), (1105, 58838), (1241, 52390), (1690, 38471), (1898, 34255), (2015, 32266), (2210, 29419), (2263, 28730), (2482, 26195), (2635, 24674), (2873, 22630), (4030, 16133), (4526, 14365), (4745, 13702), (5239, 12410), (5270, 12337), (5746, 11315), (6205, 10478), (6851, 9490)]