1329123775

素因数分解:

$5^2\times 7^2\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{167}}^1$

素因数の和:353

約数の個数: 72

約数和(自身を含む): 1977060960

約数和(自身を除く): 647937185

約数列:

[1, 5, 7, 25, 35, 49, 73, 89, 167, 175, 245, 365, 445, 511, 623, 835, 1169, 1225, 1825, 2225, 2555, 3115, 3577, 4175, 4361, 5845, 6497, 8183, 12191, 12775, 14863, 15575, 17885, 21805, 29225, 32485, 40915, 45479, 60955, 74315, 85337, 89425, 104041, 109025, 162425, 204575, 227395, 304775, 318353, 371575, 426685, 520205, 597359, 728287, 1084999, 1136975, 1591765, 2133425, 2601025, 2986795, 3641435, 5424995, 7594993, 7958825, 14933975, 18207175, 27124975, 37974965, 53164951, 189874825, 265824755, 1329123775]

約数ペア:

[(1, 1329123775), (5, 265824755), (7, 189874825), (25, 53164951), (35, 37974965), (49, 27124975), (73, 18207175), (89, 14933975), (167, 7958825), (175, 7594993), (245, 5424995), (365, 3641435), (445, 2986795), (511, 2601025), (623, 2133425), (835, 1591765), (1169, 1136975), (1225, 1084999), (1825, 728287), (2225, 597359), (2555, 520205), (3115, 426685), (3577, 371575), (4175, 318353), (4361, 304775), (5845, 227395), (6497, 204575), (8183, 162425), (12191, 109025), (12775, 104041), (14863, 89425), (15575, 85337), (17885, 74315), (21805, 60955), (29225, 45479), (32485, 40915)]