90172955

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{457}}^1$

素因数の和:579

約数の個数: 32

約数和(自身を含む): 119592960

約数和(自身を除く): 29420005

約数列:

[1, 5, 19, 31, 67, 95, 155, 335, 457, 589, 1273, 2077, 2285, 2945, 6365, 8683, 10385, 14167, 30619, 39463, 43415, 70835, 153095, 197315, 269173, 581761, 949189, 1345865, 2908805, 4745945, 18034591, 90172955]

約数ペア:

[(1, 90172955), (5, 18034591), (19, 4745945), (31, 2908805), (67, 1345865), (95, 949189), (155, 581761), (335, 269173), (457, 197315), (589, 153095), (1273, 70835), (2077, 43415), (2285, 39463), (2945, 30619), (6365, 14167), (8683, 10385)]