18291216125

素因数分解:

$5^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{229717}}^1$

素因数の和:229759

約数の個数: 48

約数和(自身を含む): 28597134384

約数和(自身を除く): 10305918259

約数列:

[1, 5, 7, 13, 25, 35, 49, 65, 91, 125, 175, 245, 325, 455, 637, 875, 1225, 1625, 2275, 3185, 6125, 11375, 15925, 79625, 229717, 1148585, 1608019, 2986321, 5742925, 8040095, 11256133, 14931605, 20904247, 28714625, 40200475, 56280665, 74658025, 104521235, 146329729, 201002375, 281403325, 373290125, 522606175, 731648645, 1407016625, 2613030875, 3658243225, 18291216125]

約数ペア:

[(1, 18291216125), (5, 3658243225), (7, 2613030875), (13, 1407016625), (25, 731648645), (35, 522606175), (49, 373290125), (65, 281403325), (91, 201002375), (125, 146329729), (175, 104521235), (245, 74658025), (325, 56280665), (455, 40200475), (637, 28714625), (875, 20904247), (1225, 14931605), (1625, 11256133), (2275, 8040095), (3185, 5742925), (6125, 2986321), (11375, 1608019), (15925, 1148585), (79625, 229717)]