256525984

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{919}}^1$

素因数の和:1014

約数の個数: 96

約数和(自身を含む): 603711360

約数和(自身を除く): 347185376

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 61, 88, 104, 122, 143, 176, 208, 244, 286, 352, 416, 488, 572, 671, 793, 919, 976, 1144, 1342, 1586, 1838, 1952, 2288, 2684, 3172, 3676, 4576, 5368, 6344, 7352, 8723, 10109, 10736, 11947, 12688, 14704, 17446, 20218, 21472, 23894, 25376, 29408, 34892, 40436, 47788, 56059, 69784, 80872, 95576, 112118, 131417, 139568, 161744, 191152, 224236, 262834, 279136, 323488, 382304, 448472, 525668, 616649, 728767, 896944, 1051336, 1233298, 1457534, 1793888, 2102672, 2466596, 2915068, 4205344, 4933192, 5830136, 8016437, 9866384, 11660272, 16032874, 19732768, 23320544, 32065748, 64131496, 128262992, 256525984]

約数ペア:

[(1, 256525984), (2, 128262992), (4, 64131496), (8, 32065748), (11, 23320544), (13, 19732768), (16, 16032874), (22, 11660272), (26, 9866384), (32, 8016437), (44, 5830136), (52, 4933192), (61, 4205344), (88, 2915068), (104, 2466596), (122, 2102672), (143, 1793888), (176, 1457534), (208, 1233298), (244, 1051336), (286, 896944), (352, 728767), (416, 616649), (488, 525668), (572, 448472), (671, 382304), (793, 323488), (919, 279136), (976, 262834), (1144, 224236), (1342, 191152), (1586, 161744), (1838, 139568), (1952, 131417), (2288, 112118), (2684, 95576), (3172, 80872), (3676, 69784), (4576, 56059), (5368, 47788), (6344, 40436), (7352, 34892), (8723, 29408), (10109, 25376), (10736, 23894), (11947, 21472), (12688, 20218), (14704, 17446)]