641487408

素因数分解:

$2^4\times 3^1\times {\mathrm{53}}^1\times {\mathrm{252157}}^1$

素因数の和:252221

約数の個数: 40

約数和(自身を含む): 1688449968

約数和(自身を除く): 1046962560

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 53, 106, 159, 212, 318, 424, 636, 848, 1272, 2544, 252157, 504314, 756471, 1008628, 1512942, 2017256, 3025884, 4034512, 6051768, 12103536, 13364321, 26728642, 40092963, 53457284, 80185926, 106914568, 160371852, 213829136, 320743704, 641487408]

約数ペア:

[(1, 641487408), (2, 320743704), (3, 213829136), (4, 160371852), (6, 106914568), (8, 80185926), (12, 53457284), (16, 40092963), (24, 26728642), (48, 13364321), (53, 12103536), (106, 6051768), (159, 4034512), (212, 3025884), (318, 2017256), (424, 1512942), (636, 1008628), (848, 756471), (1272, 504314), (2544, 252157)]