2638818

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1$

素因数の和:213

約数の個数: 80

約数和(自身を含む): 7318080

約数和(自身を除く): 4679262

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 63, 78, 81, 91, 117, 126, 162, 179, 182, 189, 234, 273, 351, 358, 378, 537, 546, 567, 702, 819, 1053, 1074, 1134, 1253, 1611, 1638, 2106, 2327, 2457, 2506, 3222, 3759, 4654, 4833, 4914, 6981, 7371, 7518, 9666, 11277, 13962, 14499, 14742, 16289, 20943, 22554, 28998, 32578, 33831, 41886, 48867, 62829, 67662, 97734, 101493, 125658, 146601, 188487, 202986, 293202, 376974, 439803, 879606, 1319409, 2638818]

約数ペア:

[(1, 2638818), (2, 1319409), (3, 879606), (6, 439803), (7, 376974), (9, 293202), (13, 202986), (14, 188487), (18, 146601), (21, 125658), (26, 101493), (27, 97734), (39, 67662), (42, 62829), (54, 48867), (63, 41886), (78, 33831), (81, 32578), (91, 28998), (117, 22554), (126, 20943), (162, 16289), (179, 14742), (182, 14499), (189, 13962), (234, 11277), (273, 9666), (351, 7518), (358, 7371), (378, 6981), (537, 4914), (546, 4833), (567, 4654), (702, 3759), (819, 3222), (1053, 2506), (1074, 2457), (1134, 2327), (1253, 2106), (1611, 1638)]