72838490

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1\times {\mathrm{367}}^1$

素因数の和:686

約数の個数: 32

約数和(自身を含む): 133539840

約数和(自身を除く): 60701350

約数列:

[1, 2, 5, 10, 89, 178, 223, 367, 445, 446, 734, 890, 1115, 1835, 2230, 3670, 19847, 32663, 39694, 65326, 81841, 99235, 163315, 163682, 198470, 326630, 409205, 818410, 7283849, 14567698, 36419245, 72838490]

約数ペア:

[(1, 72838490), (2, 36419245), (5, 14567698), (10, 7283849), (89, 818410), (178, 409205), (223, 326630), (367, 198470), (445, 163682), (446, 163315), (734, 99235), (890, 81841), (1115, 65326), (1835, 39694), (2230, 32663), (3670, 19847)]