221268262

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1\times {\mathrm{257}}^1$

素因数の和:580

約数の個数: 32

約数和(自身を含む): 355420800

約数和(自身を除く): 134152538

約数列:

[1, 2, 19, 38, 139, 163, 257, 278, 326, 514, 2641, 3097, 4883, 5282, 6194, 9766, 22657, 35723, 41891, 45314, 71446, 83782, 430483, 678737, 795929, 860966, 1357474, 1591858, 5822849, 11645698, 110634131, 221268262]

約数ペア:

[(1, 221268262), (2, 110634131), (19, 11645698), (38, 5822849), (139, 1591858), (163, 1357474), (257, 860966), (278, 795929), (326, 678737), (514, 430483), (2641, 83782), (3097, 71446), (4883, 45314), (5282, 41891), (6194, 35723), (9766, 22657)]