1640940522

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{21037699}}^1$

素因数の和:21037717

約数の個数: 16

約数和(自身を含む): 3534333600

約数和(自身を除く): 1893393078

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 21037699, 42075398, 63113097, 126226194, 273490087, 546980174, 820470261, 1640940522]

約数ペア:

[(1, 1640940522), (2, 820470261), (3, 546980174), (6, 273490087), (13, 126226194), (26, 63113097), (39, 42075398), (78, 21037699)]