156639826

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{1231}}^1$

素因数の和:1450

約数の個数: 32

約数和(自身を含む): 274982400

約数和(自身を除く): 118342574

約数列:

[1, 2, 7, 14, 61, 122, 149, 298, 427, 854, 1043, 1231, 2086, 2462, 8617, 9089, 17234, 18178, 63623, 75091, 127246, 150182, 183419, 366838, 525637, 1051274, 1283933, 2567866, 11188559, 22377118, 78319913, 156639826]

約数ペア:

[(1, 156639826), (2, 78319913), (7, 22377118), (14, 11188559), (61, 2567866), (122, 1283933), (149, 1051274), (298, 525637), (427, 366838), (854, 183419), (1043, 150182), (1231, 127246), (2086, 75091), (2462, 63623), (8617, 18178), (9089, 17234)]