66446950

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{263}}^1$

素因数の和:469

約数の個数: 48

約数和(自身を含む): 128848896

約数和(自身を除く): 62401946

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 163, 263, 310, 326, 526, 775, 815, 1315, 1550, 1630, 2630, 4075, 5053, 6575, 8150, 8153, 10106, 13150, 16306, 25265, 40765, 42869, 50530, 81530, 85738, 126325, 203825, 214345, 252650, 407650, 428690, 1071725, 1328939, 2143450, 2657878, 6644695, 13289390, 33223475, 66446950]

約数ペア:

[(1, 66446950), (2, 33223475), (5, 13289390), (10, 6644695), (25, 2657878), (31, 2143450), (50, 1328939), (62, 1071725), (155, 428690), (163, 407650), (263, 252650), (310, 214345), (326, 203825), (526, 126325), (775, 85738), (815, 81530), (1315, 50530), (1550, 42869), (1630, 40765), (2630, 25265), (4075, 16306), (5053, 13150), (6575, 10106), (8150, 8153)]