90905198

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1$

素因数の和:404

約数の個数: 32

約数和(自身を含む): 145044000

約数和(自身を除く): 54138802

約数列:

[1, 2, 29, 58, 67, 134, 149, 157, 298, 314, 1943, 3886, 4321, 4553, 8642, 9106, 9983, 10519, 19966, 21038, 23393, 46786, 289507, 305051, 579014, 610102, 678397, 1356794, 1567331, 3134662, 45452599, 90905198]

約数ペア:

[(1, 90905198), (2, 45452599), (29, 3134662), (58, 1567331), (67, 1356794), (134, 678397), (149, 610102), (157, 579014), (298, 305051), (314, 289507), (1943, 46786), (3886, 23393), (4321, 21038), (4553, 19966), (8642, 10519), (9106, 9983)]