256562944

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2939}}^1$

素因数の和:2997

約数の個数: 72

約数和(自身を含む): 576898560

約数和(自身を除く): 320335616

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 44, 62, 64, 88, 124, 128, 176, 248, 256, 341, 352, 496, 682, 704, 992, 1364, 1408, 1984, 2728, 2816, 2939, 3968, 5456, 5878, 7936, 10912, 11756, 21824, 23512, 32329, 43648, 47024, 64658, 87296, 91109, 94048, 129316, 182218, 188096, 258632, 364436, 376192, 517264, 728872, 752384, 1002199, 1034528, 1457744, 2004398, 2069056, 2915488, 4008796, 4138112, 5830976, 8017592, 8276224, 11661952, 16035184, 23323904, 32070368, 64140736, 128281472, 256562944]

約数ペア:

[(1, 256562944), (2, 128281472), (4, 64140736), (8, 32070368), (11, 23323904), (16, 16035184), (22, 11661952), (31, 8276224), (32, 8017592), (44, 5830976), (62, 4138112), (64, 4008796), (88, 2915488), (124, 2069056), (128, 2004398), (176, 1457744), (248, 1034528), (256, 1002199), (341, 752384), (352, 728872), (496, 517264), (682, 376192), (704, 364436), (992, 258632), (1364, 188096), (1408, 182218), (1984, 129316), (2728, 94048), (2816, 91109), (2939, 87296), (3968, 64658), (5456, 47024), (5878, 43648), (7936, 32329), (10912, 23512), (11756, 21824)]