7888921005

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{379}}^1\times {\mathrm{1447}}^1$

素因数の和:1978

約数の個数: 64

約数和(自身を含む): 14579159040

約数和(自身を除く): 6690238035

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 137, 379, 411, 685, 959, 1137, 1447, 1895, 2055, 2653, 2877, 4341, 4795, 5685, 7235, 7959, 10129, 13265, 14385, 21705, 30387, 39795, 50645, 51923, 151935, 155769, 198239, 259615, 363461, 548413, 594717, 778845, 991195, 1090383, 1387673, 1645239, 1817305, 2742065, 2973585, 3838891, 4163019, 5451915, 6938365, 8226195, 11516673, 19194455, 20815095, 57583365, 75132581, 225397743, 375662905, 525928067, 1126988715, 1577784201, 2629640335, 7888921005]

約数ペア:

[(1, 7888921005), (3, 2629640335), (5, 1577784201), (7, 1126988715), (15, 525928067), (21, 375662905), (35, 225397743), (105, 75132581), (137, 57583365), (379, 20815095), (411, 19194455), (685, 11516673), (959, 8226195), (1137, 6938365), (1447, 5451915), (1895, 4163019), (2055, 3838891), (2653, 2973585), (2877, 2742065), (4341, 1817305), (4795, 1645239), (5685, 1387673), (7235, 1090383), (7959, 991195), (10129, 778845), (13265, 594717), (14385, 548413), (21705, 363461), (30387, 259615), (39795, 198239), (50645, 155769), (51923, 151935)]