64118375

素因数分解:

$5^3\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1$

素因数の和:288

約数の個数: 32

約数和(自身を含む): 83466240

約数和(自身を除く): 19347865

約数列:

[1, 5, 25, 43, 79, 125, 151, 215, 395, 755, 1075, 1975, 3397, 3775, 5375, 6493, 9875, 11929, 16985, 18875, 32465, 59645, 84925, 162325, 298225, 424625, 512947, 811625, 1491125, 2564735, 12823675, 64118375]

約数ペア:

[(1, 64118375), (5, 12823675), (25, 2564735), (43, 1491125), (79, 811625), (125, 512947), (151, 424625), (215, 298225), (395, 162325), (755, 84925), (1075, 59645), (1975, 32465), (3397, 18875), (3775, 16985), (5375, 11929), (6493, 9875)]