72780754

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{11071}}^1$

素因数の和:11265

約数の個数: 16

約数和(自身を含む): 115591680

約数和(自身を除く): 42810926

約数列:

[1, 2, 19, 38, 173, 346, 3287, 6574, 11071, 22142, 210349, 420698, 1915283, 3830566, 36390377, 72780754]

約数ペア:

[(1, 72780754), (2, 36390377), (19, 3830566), (38, 1915283), (173, 420698), (346, 210349), (3287, 22142), (6574, 11071)]