221649256

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{4993}}^1$

素因数の和:5209

約数の個数: 32

約数和(自身を含む): 431481600

約数和(自身を除く): 209832344

約数列:

[1, 2, 4, 8, 31, 62, 124, 179, 248, 358, 716, 1432, 4993, 5549, 9986, 11098, 19972, 22196, 39944, 44392, 154783, 309566, 619132, 893747, 1238264, 1787494, 3574988, 7149976, 27706157, 55412314, 110824628, 221649256]

約数ペア:

[(1, 221649256), (2, 110824628), (4, 55412314), (8, 27706157), (31, 7149976), (62, 3574988), (124, 1787494), (179, 1238264), (248, 893747), (358, 619132), (716, 309566), (1432, 154783), (4993, 44392), (5549, 39944), (9986, 22196), (11098, 19972)]