12591890

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{269}}^1$

素因数の和:458

約数の個数: 32

約数和(自身を含む): 23639040

約数和(自身を除く): 11047150

約数列:

[1, 2, 5, 10, 31, 62, 151, 155, 269, 302, 310, 538, 755, 1345, 1510, 2690, 4681, 8339, 9362, 16678, 23405, 40619, 41695, 46810, 81238, 83390, 203095, 406190, 1259189, 2518378, 6295945, 12591890]

約数ペア:

[(1, 12591890), (2, 6295945), (5, 2518378), (10, 1259189), (31, 406190), (62, 203095), (151, 83390), (155, 81238), (269, 46810), (302, 41695), (310, 40619), (538, 23405), (755, 16678), (1345, 9362), (1510, 8339), (2690, 4681)]