256421712

素因数分解:

$2^4\times 3^1\times {\mathrm{29}}^1\times {\mathrm{184211}}^1$

素因数の和:184251

約数の個数: 40

約数和(自身を含む): 685268640

約数和(自身を除く): 428846928

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 48, 58, 87, 116, 174, 232, 348, 464, 696, 1392, 184211, 368422, 552633, 736844, 1105266, 1473688, 2210532, 2947376, 4421064, 5342119, 8842128, 10684238, 16026357, 21368476, 32052714, 42736952, 64105428, 85473904, 128210856, 256421712]

約数ペア:

[(1, 256421712), (2, 128210856), (3, 85473904), (4, 64105428), (6, 42736952), (8, 32052714), (12, 21368476), (16, 16026357), (24, 10684238), (29, 8842128), (48, 5342119), (58, 4421064), (87, 2947376), (116, 2210532), (174, 1473688), (232, 1105266), (348, 736844), (464, 552633), (696, 368422), (1392, 184211)]