161399826

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{5903}}^1$

素因数の和:5956

約数の個数: 72

約数和(自身を含む): 419986944

約数和(自身を除く): 258587118

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 31, 42, 49, 62, 63, 93, 98, 126, 147, 186, 217, 279, 294, 434, 441, 558, 651, 882, 1302, 1519, 1953, 3038, 3906, 4557, 5903, 9114, 11806, 13671, 17709, 27342, 35418, 41321, 53127, 82642, 106254, 123963, 182993, 247926, 289247, 365986, 371889, 548979, 578494, 743778, 867741, 1097958, 1280951, 1646937, 1735482, 2561902, 2603223, 3293874, 3842853, 5206446, 7685706, 8966657, 11528559, 17933314, 23057118, 26899971, 53799942, 80699913, 161399826]

約数ペア:

[(1, 161399826), (2, 80699913), (3, 53799942), (6, 26899971), (7, 23057118), (9, 17933314), (14, 11528559), (18, 8966657), (21, 7685706), (31, 5206446), (42, 3842853), (49, 3293874), (62, 2603223), (63, 2561902), (93, 1735482), (98, 1646937), (126, 1280951), (147, 1097958), (186, 867741), (217, 743778), (279, 578494), (294, 548979), (434, 371889), (441, 365986), (558, 289247), (651, 247926), (882, 182993), (1302, 123963), (1519, 106254), (1953, 82642), (3038, 53127), (3906, 41321), (4557, 35418), (5903, 27342), (9114, 17709), (11806, 13671)]