31720878

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{251}}^1$

素因数の和:342

約数の個数: 96

約数和(自身を含む): 84913920

約数和(自身を除く): 53193042

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 34, 42, 51, 59, 63, 102, 118, 119, 126, 153, 177, 238, 251, 306, 354, 357, 413, 502, 531, 714, 753, 826, 1003, 1062, 1071, 1239, 1506, 1757, 2006, 2142, 2259, 2478, 3009, 3514, 3717, 4267, 4518, 5271, 6018, 7021, 7434, 8534, 9027, 10542, 12801, 14042, 14809, 15813, 18054, 21063, 25602, 29618, 29869, 31626, 38403, 42126, 44427, 59738, 63189, 76806, 88854, 89607, 103663, 126378, 133281, 179214, 207326, 251753, 266562, 268821, 310989, 503506, 537642, 621978, 755259, 932967, 1510518, 1762271, 1865934, 2265777, 3524542, 4531554, 5286813, 10573626, 15860439, 31720878]

約数ペア:

[(1, 31720878), (2, 15860439), (3, 10573626), (6, 5286813), (7, 4531554), (9, 3524542), (14, 2265777), (17, 1865934), (18, 1762271), (21, 1510518), (34, 932967), (42, 755259), (51, 621978), (59, 537642), (63, 503506), (102, 310989), (118, 268821), (119, 266562), (126, 251753), (153, 207326), (177, 179214), (238, 133281), (251, 126378), (306, 103663), (354, 89607), (357, 88854), (413, 76806), (502, 63189), (531, 59738), (714, 44427), (753, 42126), (826, 38403), (1003, 31626), (1062, 29869), (1071, 29618), (1239, 25602), (1506, 21063), (1757, 18054), (2006, 15813), (2142, 14809), (2259, 14042), (2478, 12801), (3009, 10542), (3514, 9027), (3717, 8534), (4267, 7434), (4518, 7021), (5271, 6018)]