131581112

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{40813}}^1$

素因数の和:40863

約数の個数: 32

約数和(自身を含む): 274270080

約数和(自身を除く): 142688968

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 40813, 81626, 163252, 326504, 530569, 1061138, 1265203, 2122276, 2530406, 4244552, 5060812, 10121624, 16447639, 32895278, 65790556, 131581112]

約数ペア:

[(1, 131581112), (2, 65790556), (4, 32895278), (8, 16447639), (13, 10121624), (26, 5060812), (31, 4244552), (52, 2530406), (62, 2122276), (104, 1265203), (124, 1061138), (248, 530569), (403, 326504), (806, 163252), (1612, 81626), (3224, 40813)]