72920905

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:417

約数の個数: 32

約数和(自身を含む): 96484608

約数和(自身を除く): 23563703

約数列:

[1, 5, 17, 43, 71, 85, 215, 281, 355, 731, 1207, 1405, 3053, 3655, 4777, 6035, 12083, 15265, 19951, 23885, 51901, 60415, 99755, 205411, 259505, 339167, 857893, 1027055, 1695835, 4289465, 14584181, 72920905]

約数ペア:

[(1, 72920905), (5, 14584181), (17, 4289465), (43, 1695835), (71, 1027055), (85, 857893), (215, 339167), (281, 259505), (355, 205411), (731, 99755), (1207, 60415), (1405, 51901), (3053, 23885), (3655, 19951), (4777, 15265), (6035, 12083)]