81963448

素因数分解:

$2^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{191}}^1$

素因数の和:380

約数の個数: 64

約数和(自身を含む): 180633600

約数和(自身を除く): 98670152

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 79, 97, 158, 191, 194, 316, 382, 388, 553, 632, 679, 764, 776, 1106, 1337, 1358, 1528, 2212, 2674, 2716, 4424, 5348, 5432, 7663, 10696, 15089, 15326, 18527, 30178, 30652, 37054, 53641, 60356, 61304, 74108, 105623, 107282, 120712, 129689, 148216, 211246, 214564, 259378, 422492, 429128, 518756, 844984, 1037512, 1463633, 2927266, 5854532, 10245431, 11709064, 20490862, 40981724, 81963448]

約数ペア:

[(1, 81963448), (2, 40981724), (4, 20490862), (7, 11709064), (8, 10245431), (14, 5854532), (28, 2927266), (56, 1463633), (79, 1037512), (97, 844984), (158, 518756), (191, 429128), (194, 422492), (316, 259378), (382, 214564), (388, 211246), (553, 148216), (632, 129689), (679, 120712), (764, 107282), (776, 105623), (1106, 74108), (1337, 61304), (1358, 60356), (1528, 53641), (2212, 37054), (2674, 30652), (2716, 30178), (4424, 18527), (5348, 15326), (5432, 15089), (7663, 10696)]