31272176

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1$

素因数の和:274

約数の個数: 80

約数和(自身を含む): 70724640

約数和(自身を除く): 39452464

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 41, 52, 76, 82, 104, 152, 164, 193, 208, 247, 304, 328, 386, 494, 533, 656, 772, 779, 988, 1066, 1544, 1558, 1976, 2132, 2509, 3088, 3116, 3667, 3952, 4264, 5018, 6232, 7334, 7913, 8528, 10036, 10127, 12464, 14668, 15826, 20072, 20254, 29336, 31652, 40144, 40508, 47671, 58672, 63304, 81016, 95342, 102869, 126608, 150347, 162032, 190684, 205738, 300694, 381368, 411476, 601388, 762736, 822952, 1202776, 1645904, 1954511, 2405552, 3909022, 7818044, 15636088, 31272176]

約数ペア:

[(1, 31272176), (2, 15636088), (4, 7818044), (8, 3909022), (13, 2405552), (16, 1954511), (19, 1645904), (26, 1202776), (38, 822952), (41, 762736), (52, 601388), (76, 411476), (82, 381368), (104, 300694), (152, 205738), (164, 190684), (193, 162032), (208, 150347), (247, 126608), (304, 102869), (328, 95342), (386, 81016), (494, 63304), (533, 58672), (656, 47671), (772, 40508), (779, 40144), (988, 31652), (1066, 29336), (1544, 20254), (1558, 20072), (1976, 15826), (2132, 14668), (2509, 12464), (3088, 10127), (3116, 10036), (3667, 8528), (3952, 7913), (4264, 7334), (5018, 6232)]