289700468

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1\times {\mathrm{331}}^1$

素因数の和:624

約数の個数: 48

約数和(自身を含む): 549839808

約数和(自身を除く): 260139340

約数列:

[1, 2, 4, 17, 34, 61, 68, 122, 211, 244, 331, 422, 662, 844, 1037, 1324, 2074, 3587, 4148, 5627, 7174, 11254, 12871, 14348, 20191, 22508, 25742, 40382, 51484, 69841, 80764, 139682, 218807, 279364, 343247, 437614, 686494, 875228, 1187297, 1372988, 2374594, 4260301, 4749188, 8520602, 17041204, 72425117, 144850234, 289700468]

約数ペア:

[(1, 289700468), (2, 144850234), (4, 72425117), (17, 17041204), (34, 8520602), (61, 4749188), (68, 4260301), (122, 2374594), (211, 1372988), (244, 1187297), (331, 875228), (422, 686494), (662, 437614), (844, 343247), (1037, 279364), (1324, 218807), (2074, 139682), (3587, 80764), (4148, 69841), (5627, 51484), (7174, 40382), (11254, 25742), (12871, 22508), (14348, 20191)]