156171356

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{419}}^1$

素因数の和:674

約数の個数: 48

約数和(自身を含む): 307359360

約数和(自身を除く): 151188004

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 172, 197, 394, 419, 473, 788, 838, 946, 1676, 1892, 2167, 4334, 4609, 8471, 8668, 9218, 16942, 18017, 18436, 33884, 36034, 72068, 82543, 93181, 165086, 186362, 198187, 330172, 372724, 396374, 792748, 907973, 1815946, 3549349, 3631892, 7098698, 14197396, 39042839, 78085678, 156171356]

約数ペア:

[(1, 156171356), (2, 78085678), (4, 39042839), (11, 14197396), (22, 7098698), (43, 3631892), (44, 3549349), (86, 1815946), (172, 907973), (197, 792748), (394, 396374), (419, 372724), (473, 330172), (788, 198187), (838, 186362), (946, 165086), (1676, 93181), (1892, 82543), (2167, 72068), (4334, 36034), (4609, 33884), (8471, 18436), (8668, 18017), (9218, 16942)]