128840416

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{1453}}^1$

素因数の和:1643

約数の個数: 48

約数和(自身を含む): 270409104

約数和(自身を除く): 141568688

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 163, 272, 326, 544, 652, 1304, 1453, 2608, 2771, 2906, 5216, 5542, 5812, 11084, 11624, 22168, 23248, 24701, 44336, 46496, 49402, 88672, 98804, 197608, 236839, 395216, 473678, 790432, 947356, 1894712, 3789424, 4026263, 7578848, 8052526, 16105052, 32210104, 64420208, 128840416]

約数ペア:

[(1, 128840416), (2, 64420208), (4, 32210104), (8, 16105052), (16, 8052526), (17, 7578848), (32, 4026263), (34, 3789424), (68, 1894712), (136, 947356), (163, 790432), (272, 473678), (326, 395216), (544, 236839), (652, 197608), (1304, 98804), (1453, 88672), (2608, 49402), (2771, 46496), (2906, 44336), (5216, 24701), (5542, 23248), (5812, 22168), (11084, 11624)]