1281139782

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{233}}^1\times {\mathrm{449}}^1$

素因数の和:857

約数の個数: 64

約数和(自身を含む): 2795083200

約数和(自身を除く): 1513943418

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 157, 233, 314, 449, 466, 471, 699, 898, 942, 1347, 1398, 2041, 2694, 3029, 4082, 5837, 6058, 6123, 9087, 11674, 12246, 17511, 18174, 35022, 36581, 70493, 73162, 104617, 109743, 140986, 209234, 211479, 219486, 313851, 422958, 475553, 627702, 916409, 951106, 1360021, 1426659, 1832818, 2720042, 2749227, 2853318, 4080063, 5498454, 8160126, 16424869, 32849738, 49274607, 98549214, 213523297, 427046594, 640569891, 1281139782]

約数ペア:

[(1, 1281139782), (2, 640569891), (3, 427046594), (6, 213523297), (13, 98549214), (26, 49274607), (39, 32849738), (78, 16424869), (157, 8160126), (233, 5498454), (314, 4080063), (449, 2853318), (466, 2749227), (471, 2720042), (699, 1832818), (898, 1426659), (942, 1360021), (1347, 951106), (1398, 916409), (2041, 627702), (2694, 475553), (3029, 422958), (4082, 313851), (5837, 219486), (6058, 211479), (6123, 209234), (9087, 140986), (11674, 109743), (12246, 104617), (17511, 73162), (18174, 70493), (35022, 36581)]