12647375

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:252

約数の個数: 32

約数和(自身を含む): 17489472

約数和(自身を除く): 4842097

約数列:

[1, 5, 13, 25, 43, 65, 125, 181, 215, 325, 559, 905, 1075, 1625, 2353, 2795, 4525, 5375, 7783, 11765, 13975, 22625, 38915, 58825, 69875, 101179, 194575, 294125, 505895, 972875, 2529475, 12647375]

約数ペア:

[(1, 12647375), (5, 2529475), (13, 972875), (25, 505895), (43, 294125), (65, 194575), (125, 101179), (181, 69875), (215, 58825), (325, 38915), (559, 22625), (905, 13975), (1075, 11765), (1625, 7783), (2353, 5375), (2795, 4525)]