31819398

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1$

素因数の和:293

約数の個数: 64

約数和(自身を含む): 71850240

約数和(自身を除く): 40030842

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 53, 78, 86, 106, 129, 159, 179, 258, 318, 358, 537, 559, 689, 1074, 1118, 1378, 1677, 2067, 2279, 2327, 3354, 4134, 4558, 4654, 6837, 6981, 7697, 9487, 13674, 13962, 15394, 18974, 23091, 28461, 29627, 46182, 56922, 59254, 88881, 100061, 123331, 177762, 200122, 246662, 300183, 369993, 407941, 600366, 739986, 815882, 1223823, 2447646, 5303233, 10606466, 15909699, 31819398]

約数ペア:

[(1, 31819398), (2, 15909699), (3, 10606466), (6, 5303233), (13, 2447646), (26, 1223823), (39, 815882), (43, 739986), (53, 600366), (78, 407941), (86, 369993), (106, 300183), (129, 246662), (159, 200122), (179, 177762), (258, 123331), (318, 100061), (358, 88881), (537, 59254), (559, 56922), (689, 46182), (1074, 29627), (1118, 28461), (1378, 23091), (1677, 18974), (2067, 15394), (2279, 13962), (2327, 13674), (3354, 9487), (4134, 7697), (4558, 6981), (4654, 6837)]