90747475

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{353}}^1$

素因数の和:496

約数の個数: 48

約数和(自身を含む): 140116032

約数和(自身を除く): 49368557

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 113, 175, 325, 353, 455, 565, 791, 1469, 1765, 2275, 2471, 2825, 3955, 4589, 7345, 8825, 10283, 12355, 19775, 22945, 32123, 36725, 39889, 51415, 61775, 114725, 160615, 199445, 257075, 279223, 518557, 803075, 997225, 1396115, 2592785, 3629899, 6980575, 12963925, 18149495, 90747475]

約数ペア:

[(1, 90747475), (5, 18149495), (7, 12963925), (13, 6980575), (25, 3629899), (35, 2592785), (65, 1396115), (91, 997225), (113, 803075), (175, 518557), (325, 279223), (353, 257075), (455, 199445), (565, 160615), (791, 114725), (1469, 61775), (1765, 51415), (2275, 39889), (2471, 36725), (2825, 32123), (3955, 22945), (4589, 19775), (7345, 12355), (8825, 10283)]