25756885

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{449}}^1$

素因数の和:621

約数の個数: 32

約数和(自身を含む): 38880000

約数和(自身を除く): 13123115

約数列:

[1, 5, 7, 11, 35, 55, 77, 149, 385, 449, 745, 1043, 1639, 2245, 3143, 4939, 5215, 8195, 11473, 15715, 24695, 34573, 57365, 66901, 172865, 334505, 468307, 735911, 2341535, 3679555, 5151377, 25756885]

約数ペア:

[(1, 25756885), (5, 5151377), (7, 3679555), (11, 2341535), (35, 735911), (55, 468307), (77, 334505), (149, 172865), (385, 66901), (449, 57365), (745, 34573), (1043, 24695), (1639, 15715), (2245, 11473), (3143, 8195), (4939, 5215)]