15820472

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1907}}^1$

素因数の和:1991

約数の個数: 32

約数和(自身を含む): 31939920

約数和(自身を除く): 16119448

約数列:

[1, 2, 4, 8, 17, 34, 61, 68, 122, 136, 244, 488, 1037, 1907, 2074, 3814, 4148, 7628, 8296, 15256, 32419, 64838, 116327, 129676, 232654, 259352, 465308, 930616, 1977559, 3955118, 7910236, 15820472]

約数ペア:

[(1, 15820472), (2, 7910236), (4, 3955118), (8, 1977559), (17, 930616), (34, 465308), (61, 259352), (68, 232654), (122, 129676), (136, 116327), (244, 64838), (488, 32419), (1037, 15256), (1907, 8296), (2074, 7628), (3814, 4148)]