309944

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:119

約数の個数: 32

約数和(自身を含む): 641520

約数和(自身を除く): 331576

約数列:

[1, 2, 4, 8, 17, 34, 43, 53, 68, 86, 106, 136, 172, 212, 344, 424, 731, 901, 1462, 1802, 2279, 2924, 3604, 4558, 5848, 7208, 9116, 18232, 38743, 77486, 154972, 309944]

約数ペア:

[(1, 309944), (2, 154972), (4, 77486), (8, 38743), (17, 18232), (34, 9116), (43, 7208), (53, 5848), (68, 4558), (86, 3604), (106, 2924), (136, 2279), (172, 1802), (212, 1462), (344, 901), (424, 731)]