131231632

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{743}}^1$

素因数の和:860

約数の個数: 80

約数和(自身を含む): 309980160

約数和(自身を除く): 178748528

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 83, 112, 133, 152, 166, 266, 304, 332, 532, 581, 664, 743, 1064, 1162, 1328, 1486, 1577, 2128, 2324, 2972, 3154, 4648, 5201, 5944, 6308, 9296, 10402, 11039, 11888, 12616, 14117, 20804, 22078, 25232, 28234, 41608, 44156, 56468, 61669, 83216, 88312, 98819, 112936, 123338, 176624, 197638, 225872, 246676, 395276, 431683, 493352, 790552, 863366, 986704, 1171711, 1581104, 1726732, 2343422, 3453464, 4686844, 6906928, 8201977, 9373688, 16403954, 18747376, 32807908, 65615816, 131231632]

約数ペア:

[(1, 131231632), (2, 65615816), (4, 32807908), (7, 18747376), (8, 16403954), (14, 9373688), (16, 8201977), (19, 6906928), (28, 4686844), (38, 3453464), (56, 2343422), (76, 1726732), (83, 1581104), (112, 1171711), (133, 986704), (152, 863366), (166, 790552), (266, 493352), (304, 431683), (332, 395276), (532, 246676), (581, 225872), (664, 197638), (743, 176624), (1064, 123338), (1162, 112936), (1328, 98819), (1486, 88312), (1577, 83216), (2128, 61669), (2324, 56468), (2972, 44156), (3154, 41608), (4648, 28234), (5201, 25232), (5944, 22078), (6308, 20804), (9296, 14117), (10402, 12616), (11039, 11888)]