211345910

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{23509}}^1$

素因数の和:23576

約数の個数: 32

約数和(自身を含む): 406252800

約数和(自身を除く): 194906890

約数列:

[1, 2, 5, 10, 29, 31, 58, 62, 145, 155, 290, 310, 899, 1798, 4495, 8990, 23509, 47018, 117545, 235090, 681761, 728779, 1363522, 1457558, 3408805, 3643895, 6817610, 7287790, 21134591, 42269182, 105672955, 211345910]

約数ペア:

[(1, 211345910), (2, 105672955), (5, 42269182), (10, 21134591), (29, 7287790), (31, 6817610), (58, 3643895), (62, 3408805), (145, 1457558), (155, 1363522), (290, 728779), (310, 681761), (899, 235090), (1798, 117545), (4495, 47018), (8990, 23509)]