221497354

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{1321}}^1\times {\mathrm{6449}}^1$

素因数の和:7785

約数の個数: 16

約数和(自身を含む): 358129800

約数和(自身を除く): 136632446

約数列:

[1, 2, 13, 26, 1321, 2642, 6449, 12898, 17173, 34346, 83837, 167674, 8519129, 17038258, 110748677, 221497354]

約数ペア:

[(1, 221497354), (2, 110748677), (13, 17038258), (26, 8519129), (1321, 167674), (2642, 83837), (6449, 34346), (12898, 17173)]