87991726

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{307}}^1\times {\mathrm{1031}}^1$

素因数の和:1479

約数の個数: 16

約数和(自身を含む): 133499520

約数和(自身を除く): 45507794

約数列:

[1, 2, 139, 278, 307, 614, 1031, 2062, 42673, 85346, 143309, 286618, 316517, 633034, 43995863, 87991726]

約数ペア:

[(1, 87991726), (2, 43995863), (139, 633034), (278, 316517), (307, 286618), (614, 143309), (1031, 85346), (2062, 42673)]