31979890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{8179}}^1$

素因数の和:8226

約数の個数: 32

約数和(自身を含む): 63607680

約数和(自身を除く): 31627790

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 170, 230, 391, 782, 1955, 3910, 8179, 16358, 40895, 81790, 139043, 188117, 278086, 376234, 695215, 940585, 1390430, 1881170, 3197989, 6395978, 15989945, 31979890]

約数ペア:

[(1, 31979890), (2, 15989945), (5, 6395978), (10, 3197989), (17, 1881170), (23, 1390430), (34, 940585), (46, 695215), (85, 376234), (115, 278086), (170, 188117), (230, 139043), (391, 81790), (782, 40895), (1955, 16358), (3910, 8179)]