157220478

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{1973}}^1$

素因数の和:2233

約数の個数: 48

約数和(自身を含む): 360294480

約数和(自身を除く): 203074002

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 233, 342, 466, 699, 1398, 1973, 2097, 3946, 4194, 4427, 5919, 8854, 11838, 13281, 17757, 26562, 35514, 37487, 39843, 74974, 79686, 112461, 224922, 337383, 459709, 674766, 919418, 1379127, 2758254, 4137381, 8274762, 8734471, 17468942, 26203413, 52406826, 78610239, 157220478]

約数ペア:

[(1, 157220478), (2, 78610239), (3, 52406826), (6, 26203413), (9, 17468942), (18, 8734471), (19, 8274762), (38, 4137381), (57, 2758254), (114, 1379127), (171, 919418), (233, 674766), (342, 459709), (466, 337383), (699, 224922), (1398, 112461), (1973, 79686), (2097, 74974), (3946, 39843), (4194, 37487), (4427, 35514), (5919, 26562), (8854, 17757), (11838, 13281)]