208451874

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{389}}^1$

素因数の和:535

約数の個数: 64

約数和(自身を含む): 448081920

約数和(自身を除く): 239630046

約数列:

[1, 2, 3, 6, 31, 43, 62, 67, 86, 93, 129, 134, 186, 201, 258, 389, 402, 778, 1167, 1333, 2077, 2334, 2666, 2881, 3999, 4154, 5762, 6231, 7998, 8643, 12059, 12462, 16727, 17286, 24118, 26063, 33454, 36177, 50181, 52126, 72354, 78189, 89311, 100362, 156378, 178622, 267933, 518537, 535866, 807953, 1037074, 1120709, 1555611, 1615906, 2241418, 2423859, 3111222, 3362127, 4847718, 6724254, 34741979, 69483958, 104225937, 208451874]

約数ペア:

[(1, 208451874), (2, 104225937), (3, 69483958), (6, 34741979), (31, 6724254), (43, 4847718), (62, 3362127), (67, 3111222), (86, 2423859), (93, 2241418), (129, 1615906), (134, 1555611), (186, 1120709), (201, 1037074), (258, 807953), (389, 535866), (402, 518537), (778, 267933), (1167, 178622), (1333, 156378), (2077, 100362), (2334, 89311), (2666, 78189), (2881, 72354), (3999, 52126), (4154, 50181), (5762, 36177), (6231, 33454), (7998, 26063), (8643, 24118), (12059, 17286), (12462, 16727)]