28433015

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:251

約数の個数: 32

約数和(自身を含む): 38247552

約数和(自身を除く): 9814537

約数列:

[1, 5, 13, 61, 65, 71, 101, 305, 355, 505, 793, 923, 1313, 3965, 4331, 4615, 6161, 6565, 7171, 21655, 30805, 35855, 56303, 80093, 93223, 281515, 400465, 437431, 466115, 2187155, 5686603, 28433015]

約数ペア:

[(1, 28433015), (5, 5686603), (13, 2187155), (61, 466115), (65, 437431), (71, 400465), (101, 281515), (305, 93223), (355, 80093), (505, 56303), (793, 35855), (923, 30805), (1313, 21655), (3965, 7171), (4331, 6565), (4615, 6161)]