81508744

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{739}}^1\times {\mathrm{811}}^1$

素因数の和:1573

約数の個数: 32

約数和(自身を含む): 162237600

約数和(自身を除く): 80728856

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 739, 811, 1478, 1622, 2956, 3244, 5912, 6488, 12563, 13787, 25126, 27574, 50252, 55148, 100504, 110296, 599329, 1198658, 2397316, 4794632, 10188593, 20377186, 40754372, 81508744]

約数ペア:

[(1, 81508744), (2, 40754372), (4, 20377186), (8, 10188593), (17, 4794632), (34, 2397316), (68, 1198658), (136, 599329), (739, 110296), (811, 100504), (1478, 55148), (1622, 50252), (2956, 27574), (3244, 25126), (5912, 13787), (6488, 12563)]