256901216

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1811}}^1$

素因数の和:1876

約数の個数: 96

約数和(自身を含む): 613702656

約数和(自身を除く): 356801440

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 31, 32, 44, 52, 62, 88, 104, 124, 143, 176, 208, 248, 286, 341, 352, 403, 416, 496, 572, 682, 806, 992, 1144, 1364, 1612, 1811, 2288, 2728, 3224, 3622, 4433, 4576, 5456, 6448, 7244, 8866, 10912, 12896, 14488, 17732, 19921, 23543, 28976, 35464, 39842, 47086, 56141, 57952, 70928, 79684, 94172, 112282, 141856, 159368, 188344, 224564, 258973, 318736, 376688, 449128, 517946, 617551, 637472, 729833, 753376, 898256, 1035892, 1235102, 1459666, 1796512, 2071784, 2470204, 2919332, 4143568, 4940408, 5838664, 8028163, 8287136, 9880816, 11677328, 16056326, 19761632, 23354656, 32112652, 64225304, 128450608, 256901216]

約数ペア:

[(1, 256901216), (2, 128450608), (4, 64225304), (8, 32112652), (11, 23354656), (13, 19761632), (16, 16056326), (22, 11677328), (26, 9880816), (31, 8287136), (32, 8028163), (44, 5838664), (52, 4940408), (62, 4143568), (88, 2919332), (104, 2470204), (124, 2071784), (143, 1796512), (176, 1459666), (208, 1235102), (248, 1035892), (286, 898256), (341, 753376), (352, 729833), (403, 637472), (416, 617551), (496, 517946), (572, 449128), (682, 376688), (806, 318736), (992, 258973), (1144, 224564), (1364, 188344), (1612, 159368), (1811, 141856), (2288, 112282), (2728, 94172), (3224, 79684), (3622, 70928), (4433, 57952), (4576, 56141), (5456, 47086), (6448, 39842), (7244, 35464), (8866, 28976), (10912, 23543), (12896, 19921), (14488, 17732)]