51471875

素因数分解:

$5^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1$

素因数の和:226

約数の個数: 48

約数和(自身を含む): 79619904

約数和(自身を除く): 28148029

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 125, 175, 181, 325, 455, 625, 875, 905, 1267, 1625, 2275, 2353, 3125, 4375, 4525, 6335, 8125, 11375, 11765, 16471, 21875, 22625, 31675, 40625, 56875, 58825, 82355, 113125, 158375, 284375, 294125, 411775, 565625, 791875, 1470625, 2058875, 3959375, 7353125, 10294375, 51471875]

約数ペア:

[(1, 51471875), (5, 10294375), (7, 7353125), (13, 3959375), (25, 2058875), (35, 1470625), (65, 791875), (91, 565625), (125, 411775), (175, 294125), (181, 284375), (325, 158375), (455, 113125), (625, 82355), (875, 58825), (905, 56875), (1267, 40625), (1625, 31675), (2275, 22625), (2353, 21875), (3125, 16471), (4375, 11765), (4525, 11375), (6335, 8125)]