278399600648

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1\times {\mathrm{205427}}^1$

素因数の和:205686

約数の個数: 64

約数和(自身を含む): 572552487360

約数和(自身を除く): 294152886712

約数列:

[1, 2, 4, 8, 13, 26, 52, 83, 104, 157, 166, 314, 332, 628, 664, 1079, 1256, 2041, 2158, 4082, 4316, 8164, 8632, 13031, 16328, 26062, 52124, 104248, 169403, 205427, 338806, 410854, 677612, 821708, 1355224, 1643416, 2670551, 5341102, 10682204, 17050441, 21364408, 32252039, 34100882, 64504078, 68201764, 129008156, 136403528, 221655733, 258016312, 419276507, 443311466, 838553014, 886622932, 1677106028, 1773245864, 2676919237, 3354212056, 5353838474, 10707676948, 21415353896, 34799950081, 69599900162, 139199800324, 278399600648]

約数ペア:

[(1, 278399600648), (2, 139199800324), (4, 69599900162), (8, 34799950081), (13, 21415353896), (26, 10707676948), (52, 5353838474), (83, 3354212056), (104, 2676919237), (157, 1773245864), (166, 1677106028), (314, 886622932), (332, 838553014), (628, 443311466), (664, 419276507), (1079, 258016312), (1256, 221655733), (2041, 136403528), (2158, 129008156), (4082, 68201764), (4316, 64504078), (8164, 34100882), (8632, 32252039), (13031, 21364408), (16328, 17050441), (26062, 10682204), (52124, 5341102), (104248, 2670551), (169403, 1643416), (205427, 1355224), (338806, 821708), (410854, 677612)]