15663868

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{487}}^1$

素因数の和:562

約数の個数: 48

約数和(自身を含む): 32465664

約数和(自身を除く): 16801796

約数列:

[1, 2, 4, 11, 17, 22, 34, 43, 44, 68, 86, 172, 187, 374, 473, 487, 731, 748, 946, 974, 1462, 1892, 1948, 2924, 5357, 8041, 8279, 10714, 16082, 16558, 20941, 21428, 32164, 33116, 41882, 83764, 91069, 182138, 230351, 355997, 364276, 460702, 711994, 921404, 1423988, 3915967, 7831934, 15663868]

約数ペア:

[(1, 15663868), (2, 7831934), (4, 3915967), (11, 1423988), (17, 921404), (22, 711994), (34, 460702), (43, 364276), (44, 355997), (68, 230351), (86, 182138), (172, 91069), (187, 83764), (374, 41882), (473, 33116), (487, 32164), (731, 21428), (748, 20941), (946, 16558), (974, 16082), (1462, 10714), (1892, 8279), (1948, 8041), (2924, 5357)]