256745736

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{274301}}^1$

素因数の和:274326

約数の個数: 48

約数和(自身を含む): 748844460

約数和(自身を除く): 492098724

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 274301, 548602, 822903, 1097204, 1645806, 2194408, 2468709, 3291612, 3565913, 4937418, 6583224, 7131826, 9874836, 10697739, 14263652, 19749672, 21395478, 28527304, 32093217, 42790956, 64186434, 85581912, 128372868, 256745736]

約数ペア:

[(1, 256745736), (2, 128372868), (3, 85581912), (4, 64186434), (6, 42790956), (8, 32093217), (9, 28527304), (12, 21395478), (13, 19749672), (18, 14263652), (24, 10697739), (26, 9874836), (36, 7131826), (39, 6583224), (52, 4937418), (72, 3565913), (78, 3291612), (104, 2468709), (117, 2194408), (156, 1645806), (234, 1097204), (312, 822903), (468, 548602), (936, 274301)]