649379612

素因数分解:

$2^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{263}}^1\times {\mathrm{541}}^1$

素因数の和:978

約数の個数: 48

約数和(自身を含む): 1314120192

約数和(自身を除く): 664740580

約数列:

[1, 2, 4, 7, 14, 28, 163, 263, 326, 526, 541, 652, 1052, 1082, 1141, 1841, 2164, 2282, 3682, 3787, 4564, 7364, 7574, 15148, 42869, 85738, 88183, 142283, 171476, 176366, 284566, 300083, 352732, 569132, 600166, 617281, 995981, 1200332, 1234562, 1991962, 2469124, 3983924, 23192129, 46384258, 92768516, 162344903, 324689806, 649379612]

約数ペア:

[(1, 649379612), (2, 324689806), (4, 162344903), (7, 92768516), (14, 46384258), (28, 23192129), (163, 3983924), (263, 2469124), (326, 1991962), (526, 1234562), (541, 1200332), (652, 995981), (1052, 617281), (1082, 600166), (1141, 569132), (1841, 352732), (2164, 300083), (2282, 284566), (3682, 176366), (3787, 171476), (4564, 142283), (7364, 88183), (7574, 85738), (15148, 42869)]