137931248

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1553}}^1$

素因数の和:1642

約数の個数: 80

約数和(自身を含む): 334520256

約数和(自身を除く): 196589008

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 61, 91, 104, 112, 122, 182, 208, 244, 364, 427, 488, 728, 793, 854, 976, 1456, 1553, 1586, 1708, 3106, 3172, 3416, 5551, 6212, 6344, 6832, 10871, 11102, 12424, 12688, 20189, 21742, 22204, 24848, 40378, 43484, 44408, 80756, 86968, 88816, 94733, 141323, 161512, 173936, 189466, 282646, 323024, 378932, 565292, 663131, 757864, 1130584, 1231529, 1326262, 1515728, 2261168, 2463058, 2652524, 4926116, 5305048, 8620703, 9852232, 10610096, 17241406, 19704464, 34482812, 68965624, 137931248]

約数ペア:

[(1, 137931248), (2, 68965624), (4, 34482812), (7, 19704464), (8, 17241406), (13, 10610096), (14, 9852232), (16, 8620703), (26, 5305048), (28, 4926116), (52, 2652524), (56, 2463058), (61, 2261168), (91, 1515728), (104, 1326262), (112, 1231529), (122, 1130584), (182, 757864), (208, 663131), (244, 565292), (364, 378932), (427, 323024), (488, 282646), (728, 189466), (793, 173936), (854, 161512), (976, 141323), (1456, 94733), (1553, 88816), (1586, 86968), (1708, 80756), (3106, 44408), (3172, 43484), (3416, 40378), (5551, 24848), (6212, 22204), (6344, 21742), (6832, 20189), (10871, 12688), (11102, 12424)]