78685384

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{823}}^1$

素因数の和:902

約数の個数: 64

約数和(自身を含む): 169084800

約数和(自身を除く): 90399416

約数列:

[1, 2, 4, 8, 17, 19, 34, 37, 38, 68, 74, 76, 136, 148, 152, 296, 323, 629, 646, 703, 823, 1258, 1292, 1406, 1646, 2516, 2584, 2812, 3292, 5032, 5624, 6584, 11951, 13991, 15637, 23902, 27982, 30451, 31274, 47804, 55964, 60902, 62548, 95608, 111928, 121804, 125096, 243608, 265829, 517667, 531658, 578569, 1035334, 1063316, 1157138, 2070668, 2126632, 2314276, 4141336, 4628552, 9835673, 19671346, 39342692, 78685384]

約数ペア:

[(1, 78685384), (2, 39342692), (4, 19671346), (8, 9835673), (17, 4628552), (19, 4141336), (34, 2314276), (37, 2126632), (38, 2070668), (68, 1157138), (74, 1063316), (76, 1035334), (136, 578569), (148, 531658), (152, 517667), (296, 265829), (323, 243608), (629, 125096), (646, 121804), (703, 111928), (823, 95608), (1258, 62548), (1292, 60902), (1406, 55964), (1646, 47804), (2516, 31274), (2584, 30451), (2812, 27982), (3292, 23902), (5032, 15637), (5624, 13991), (6584, 11951)]