78129790

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{1907}}^1$

素因数の和:2172

約数の個数: 32

約数和(自身を含む): 149602464

約数和(自身を除く): 71472674

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 241, 482, 1205, 1907, 2410, 3814, 4097, 8194, 9535, 19070, 20485, 32419, 40970, 64838, 162095, 324190, 459587, 919174, 2297935, 4595870, 7812979, 15625958, 39064895, 78129790]

約数ペア:

[(1, 78129790), (2, 39064895), (5, 15625958), (10, 7812979), (17, 4595870), (34, 2297935), (85, 919174), (170, 459587), (241, 324190), (482, 162095), (1205, 64838), (1907, 40970), (2410, 32419), (3814, 20485), (4097, 19070), (8194, 9535)]