161920278

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{9479}}^1$

素因数の和:9573

約数の個数: 48

約数和(自身を含む): 383029920

約数和(自身を除く): 221109642

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 73, 78, 117, 146, 219, 234, 438, 657, 949, 1314, 1898, 2847, 5694, 8541, 9479, 17082, 18958, 28437, 56874, 85311, 123227, 170622, 246454, 369681, 691967, 739362, 1109043, 1383934, 2075901, 2218086, 4151802, 6227703, 8995571, 12455406, 17991142, 26986713, 53973426, 80960139, 161920278]

約数ペア:

[(1, 161920278), (2, 80960139), (3, 53973426), (6, 26986713), (9, 17991142), (13, 12455406), (18, 8995571), (26, 6227703), (39, 4151802), (73, 2218086), (78, 2075901), (117, 1383934), (146, 1109043), (219, 739362), (234, 691967), (438, 369681), (657, 246454), (949, 170622), (1314, 123227), (1898, 85311), (2847, 56874), (5694, 28437), (8541, 18958), (9479, 17082)]