161557416

素因数分解:

$2^3\times 3^4\times {\mathrm{249317}}^1$

素因数の和:249335

約数の個数: 40

約数和(自身を含む): 452512170

約数和(自身を除く): 290954754

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 249317, 498634, 747951, 997268, 1495902, 1994536, 2243853, 2991804, 4487706, 5983608, 6731559, 8975412, 13463118, 17950824, 20194677, 26926236, 40389354, 53852472, 80778708, 161557416]

約数ペア:

[(1, 161557416), (2, 80778708), (3, 53852472), (4, 40389354), (6, 26926236), (8, 20194677), (9, 17950824), (12, 13463118), (18, 8975412), (24, 6731559), (27, 5983608), (36, 4487706), (54, 2991804), (72, 2243853), (81, 1994536), (108, 1495902), (162, 997268), (216, 747951), (324, 498634), (648, 249317)]