163906855

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{5503}}^1$

素因数の和:5575

約数の個数: 32

約数和(自身を含む): 240943104

約数和(自身を除く): 77036249

約数列:

[1, 5, 7, 23, 35, 37, 115, 161, 185, 259, 805, 851, 1295, 4255, 5503, 5957, 27515, 29785, 38521, 126569, 192605, 203611, 632845, 885983, 1018055, 1425277, 4429915, 4683053, 7126385, 23415265, 32781371, 163906855]

約数ペア:

[(1, 163906855), (5, 32781371), (7, 23415265), (23, 7126385), (35, 4683053), (37, 4429915), (115, 1425277), (161, 1018055), (185, 885983), (259, 632845), (805, 203611), (851, 192605), (1295, 126569), (4255, 38521), (5503, 29785), (5957, 27515)]