198721024

素因数分解:

$2^9\times {\mathrm{17}}^3\times {\mathrm{79}}^1$

素因数の和:148

約数の個数: 80

約数和(自身を含む): 427204800

約数和(自身を除く): 228483776

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 79, 128, 136, 158, 256, 272, 289, 316, 512, 544, 578, 632, 1088, 1156, 1264, 1343, 2176, 2312, 2528, 2686, 4352, 4624, 4913, 5056, 5372, 8704, 9248, 9826, 10112, 10744, 18496, 19652, 20224, 21488, 22831, 36992, 39304, 40448, 42976, 45662, 73984, 78608, 85952, 91324, 147968, 157216, 171904, 182648, 314432, 343808, 365296, 388127, 628864, 687616, 730592, 776254, 1257728, 1461184, 1552508, 2515456, 2922368, 3105016, 5844736, 6210032, 11689472, 12420064, 24840128, 49680256, 99360512, 198721024]

約数ペア:

[(1, 198721024), (2, 99360512), (4, 49680256), (8, 24840128), (16, 12420064), (17, 11689472), (32, 6210032), (34, 5844736), (64, 3105016), (68, 2922368), (79, 2515456), (128, 1552508), (136, 1461184), (158, 1257728), (256, 776254), (272, 730592), (289, 687616), (316, 628864), (512, 388127), (544, 365296), (578, 343808), (632, 314432), (1088, 182648), (1156, 171904), (1264, 157216), (1343, 147968), (2176, 91324), (2312, 85952), (2528, 78608), (2686, 73984), (4352, 45662), (4624, 42976), (4913, 40448), (5056, 39304), (5372, 36992), (8704, 22831), (9248, 21488), (9826, 20224), (10112, 19652), (10744, 18496)]