397288528

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{272863}}^1$

素因数の和:272891

約数の個数: 40

約数和(自身を含む): 947383808

約数和(自身を除く): 550095280

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 272863, 545726, 1091452, 1910041, 2182904, 3547219, 3820082, 4365808, 7094438, 7640164, 14188876, 15280328, 24830533, 28377752, 30560656, 49661066, 56755504, 99322132, 198644264, 397288528]

約数ペア:

[(1, 397288528), (2, 198644264), (4, 99322132), (7, 56755504), (8, 49661066), (13, 30560656), (14, 28377752), (16, 24830533), (26, 15280328), (28, 14188876), (52, 7640164), (56, 7094438), (91, 4365808), (104, 3820082), (112, 3547219), (182, 2182904), (208, 1910041), (364, 1091452), (728, 545726), (1456, 272863)]