2015199487

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^2\times {\mathrm{41}}^1\times {\mathrm{223}}^1$

素因数の和:368

約数の個数: 48

約数和(自身を含む): 2541514752

約数和(自身を除く): 526315265

約数列:

[1, 7, 23, 37, 41, 161, 223, 259, 287, 851, 943, 1369, 1517, 1561, 5129, 5957, 6601, 8251, 9143, 9583, 10619, 31487, 34891, 35903, 56129, 57757, 64001, 189773, 210289, 220409, 244237, 305287, 338291, 392903, 1290967, 1328411, 1472023, 2137009, 2368037, 7021601, 7780693, 9036769, 12516767, 49151207, 54464851, 87617369, 287885641, 2015199487]

約数ペア:

[(1, 2015199487), (7, 287885641), (23, 87617369), (37, 54464851), (41, 49151207), (161, 12516767), (223, 9036769), (259, 7780693), (287, 7021601), (851, 2368037), (943, 2137009), (1369, 1472023), (1517, 1328411), (1561, 1290967), (5129, 392903), (5957, 338291), (6601, 305287), (8251, 244237), (9143, 220409), (9583, 210289), (10619, 189773), (31487, 64001), (34891, 57757), (35903, 56129)]