245975756

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{599}}^1$

素因数の和:818

約数の個数: 48

約数和(自身を含む): 476280000

約数和(自身を除く): 230304244

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 149, 212, 298, 596, 599, 689, 1198, 1378, 1937, 2396, 2756, 3874, 7748, 7787, 7897, 15574, 15794, 31148, 31588, 31747, 63494, 89251, 102661, 126988, 178502, 205322, 357004, 410644, 412711, 825422, 1160263, 1650844, 2320526, 4641052, 4730303, 9460606, 18921212, 61493939, 122987878, 245975756]

約数ペア:

[(1, 245975756), (2, 122987878), (4, 61493939), (13, 18921212), (26, 9460606), (52, 4730303), (53, 4641052), (106, 2320526), (149, 1650844), (212, 1160263), (298, 825422), (596, 412711), (599, 410644), (689, 357004), (1198, 205322), (1378, 178502), (1937, 126988), (2396, 102661), (2756, 89251), (3874, 63494), (7748, 31747), (7787, 31588), (7897, 31148), (15574, 15794)]