820175868

素因数分解:

$2^2\times 3^4\times {\mathrm{977}}^1\times {\mathrm{2591}}^1$

素因数の和:3584

約数の個数: 60

約数和(自身を含む): 2147124672

約数和(自身を除く): 1326948804

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 977, 1954, 2591, 2931, 3908, 5182, 5862, 7773, 8793, 10364, 11724, 15546, 17586, 23319, 26379, 31092, 35172, 46638, 52758, 69957, 79137, 93276, 105516, 139914, 158274, 209871, 279828, 316548, 419742, 839484, 2531407, 5062814, 7594221, 10125628, 15188442, 22782663, 30376884, 45565326, 68347989, 91130652, 136695978, 205043967, 273391956, 410087934, 820175868]

約数ペア:

[(1, 820175868), (2, 410087934), (3, 273391956), (4, 205043967), (6, 136695978), (9, 91130652), (12, 68347989), (18, 45565326), (27, 30376884), (36, 22782663), (54, 15188442), (81, 10125628), (108, 7594221), (162, 5062814), (324, 2531407), (977, 839484), (1954, 419742), (2591, 316548), (2931, 279828), (3908, 209871), (5182, 158274), (5862, 139914), (7773, 105516), (8793, 93276), (10364, 79137), (11724, 69957), (15546, 52758), (17586, 46638), (23319, 35172), (26379, 31092)]