89205025

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{347}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 137741184

約数和(自身を除く): 48536159

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 113, 175, 325, 347, 455, 565, 791, 1469, 1735, 2275, 2429, 2825, 3955, 4511, 7345, 8675, 10283, 12145, 19775, 22555, 31577, 36725, 39211, 51415, 60725, 112775, 157885, 196055, 257075, 274477, 509743, 789425, 980275, 1372385, 2548715, 3568201, 6861925, 12743575, 17841005, 89205025]

約数ペア:

[(1, 89205025), (5, 17841005), (7, 12743575), (13, 6861925), (25, 3568201), (35, 2548715), (65, 1372385), (91, 980275), (113, 789425), (175, 509743), (325, 274477), (347, 257075), (455, 196055), (565, 157885), (791, 112775), (1469, 60725), (1735, 51415), (2275, 39211), (2429, 36725), (2825, 31577), (3955, 22555), (4511, 19775), (7345, 12145), (8675, 10283)]