869648

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1$

素因数の和:171

約数の個数: 40

約数和(自身を含む): 1880088

約数和(自身を除く): 1010440

約数列:

[1, 2, 4, 8, 13, 16, 26, 37, 52, 74, 104, 113, 148, 208, 226, 296, 452, 481, 592, 904, 962, 1469, 1808, 1924, 2938, 3848, 4181, 5876, 7696, 8362, 11752, 16724, 23504, 33448, 54353, 66896, 108706, 217412, 434824, 869648]

約数ペア:

[(1, 869648), (2, 434824), (4, 217412), (8, 108706), (13, 66896), (16, 54353), (26, 33448), (37, 23504), (52, 16724), (74, 11752), (104, 8362), (113, 7696), (148, 5876), (208, 4181), (226, 3848), (296, 2938), (452, 1924), (481, 1808), (592, 1469), (904, 962)]