131151376

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:276

約数の個数: 80

約数和(自身を含む): 279347200

約数和(自身を除く): 148195824

約数列:

[1, 2, 4, 8, 16, 19, 38, 43, 76, 79, 86, 127, 152, 158, 172, 254, 304, 316, 344, 508, 632, 688, 817, 1016, 1264, 1501, 1634, 2032, 2413, 3002, 3268, 3397, 4826, 5461, 6004, 6536, 6794, 9652, 10033, 10922, 12008, 13072, 13588, 19304, 20066, 21844, 24016, 27176, 38608, 40132, 43688, 54352, 64543, 80264, 87376, 103759, 129086, 160528, 190627, 207518, 258172, 381254, 415036, 431419, 516344, 762508, 830072, 862838, 1032688, 1525016, 1660144, 1725676, 3050032, 3451352, 6902704, 8196961, 16393922, 32787844, 65575688, 131151376]

約数ペア:

[(1, 131151376), (2, 65575688), (4, 32787844), (8, 16393922), (16, 8196961), (19, 6902704), (38, 3451352), (43, 3050032), (76, 1725676), (79, 1660144), (86, 1525016), (127, 1032688), (152, 862838), (158, 830072), (172, 762508), (254, 516344), (304, 431419), (316, 415036), (344, 381254), (508, 258172), (632, 207518), (688, 190627), (817, 160528), (1016, 129086), (1264, 103759), (1501, 87376), (1634, 80264), (2032, 64543), (2413, 54352), (3002, 43688), (3268, 40132), (3397, 38608), (4826, 27176), (5461, 24016), (6004, 21844), (6536, 20066), (6794, 19304), (9652, 13588), (10033, 13072), (10922, 12008)]