131656976

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{557}}^1$

素因数の和:672

約数の個数: 80

約数和(自身を含む): 298909440

約数和(自身を除く): 167252464

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 79, 88, 136, 158, 176, 187, 272, 316, 374, 557, 632, 748, 869, 1114, 1264, 1343, 1496, 1738, 2228, 2686, 2992, 3476, 4456, 5372, 6127, 6952, 8912, 9469, 10744, 12254, 13904, 14773, 18938, 21488, 24508, 29546, 37876, 44003, 49016, 59092, 75752, 88006, 98032, 104159, 118184, 151504, 176012, 208318, 236368, 352024, 416636, 484033, 704048, 748051, 833272, 968066, 1496102, 1666544, 1936132, 2992204, 3872264, 5984408, 7744528, 8228561, 11968816, 16457122, 32914244, 65828488, 131656976]

約数ペア:

[(1, 131656976), (2, 65828488), (4, 32914244), (8, 16457122), (11, 11968816), (16, 8228561), (17, 7744528), (22, 5984408), (34, 3872264), (44, 2992204), (68, 1936132), (79, 1666544), (88, 1496102), (136, 968066), (158, 833272), (176, 748051), (187, 704048), (272, 484033), (316, 416636), (374, 352024), (557, 236368), (632, 208318), (748, 176012), (869, 151504), (1114, 118184), (1264, 104159), (1343, 98032), (1496, 88006), (1738, 75752), (2228, 59092), (2686, 49016), (2992, 44003), (3476, 37876), (4456, 29546), (5372, 24508), (6127, 21488), (6952, 18938), (8912, 14773), (9469, 13904), (10744, 12254)]