90245402

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:219

約数の個数: 64

約数和(自身を含む): 162570240

約数和(自身を除く): 72324838

約数列:

[1, 2, 13, 19, 26, 31, 38, 62, 71, 83, 142, 166, 247, 403, 494, 589, 806, 923, 1079, 1178, 1349, 1577, 1846, 2158, 2201, 2573, 2698, 3154, 4402, 5146, 5893, 7657, 11786, 15314, 17537, 20501, 28613, 33449, 35074, 41002, 41819, 48887, 57226, 66898, 76609, 83638, 97774, 111967, 153218, 182683, 223934, 365366, 543647, 635531, 1087294, 1271062, 1455571, 2374879, 2911142, 3470977, 4749758, 6941954, 45122701, 90245402]

約数ペア:

[(1, 90245402), (2, 45122701), (13, 6941954), (19, 4749758), (26, 3470977), (31, 2911142), (38, 2374879), (62, 1455571), (71, 1271062), (83, 1087294), (142, 635531), (166, 543647), (247, 365366), (403, 223934), (494, 182683), (589, 153218), (806, 111967), (923, 97774), (1079, 83638), (1178, 76609), (1349, 66898), (1577, 57226), (1846, 48887), (2158, 41819), (2201, 41002), (2573, 35074), (2698, 33449), (3154, 28613), (4402, 20501), (5146, 17537), (5893, 15314), (7657, 11786)]