221983528

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{113}}^1\times {\mathrm{1453}}^1$

素因数の和:1598

約数の個数: 48

約数和(自身を含む): 455000220

約数和(自身を除く): 233016692

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 113, 169, 226, 338, 452, 676, 904, 1352, 1453, 1469, 2906, 2938, 5812, 5876, 11624, 11752, 18889, 19097, 37778, 38194, 75556, 76388, 151112, 152776, 164189, 245557, 328378, 491114, 656756, 982228, 1313512, 1964456, 2134457, 4268914, 8537828, 17075656, 27747941, 55495882, 110991764, 221983528]

約数ペア:

[(1, 221983528), (2, 110991764), (4, 55495882), (8, 27747941), (13, 17075656), (26, 8537828), (52, 4268914), (104, 2134457), (113, 1964456), (169, 1313512), (226, 982228), (338, 656756), (452, 491114), (676, 328378), (904, 245557), (1352, 164189), (1453, 152776), (1469, 151112), (2906, 76388), (2938, 75556), (5812, 38194), (5876, 37778), (11624, 19097), (11752, 18889)]