216965718002

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{509}}^1\times {\mathrm{19375399}}^1$

素因数の和:19375921

約数の個数: 16

約数和(自身を含む): 355732344000

約数和(自身を除く): 138766625998

約数列:

[1, 2, 11, 22, 509, 1018, 5599, 11198, 19375399, 38750798, 213129389, 426258778, 9862078091, 19724156182, 108482859001, 216965718002]

約数ペア:

[(1, 216965718002), (2, 108482859001), (11, 19724156182), (22, 9862078091), (509, 426258778), (1018, 213129389), (5599, 38750798), (11198, 19375399)]