72972008

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{20873}}^1$

素因数の和:20921

約数の個数: 32

約数和(自身を含む): 150292800

約数和(自身を除く): 77320792

約数列:

[1, 2, 4, 8, 19, 23, 38, 46, 76, 92, 152, 184, 437, 874, 1748, 3496, 20873, 41746, 83492, 166984, 396587, 480079, 793174, 960158, 1586348, 1920316, 3172696, 3840632, 9121501, 18243002, 36486004, 72972008]

約数ペア:

[(1, 72972008), (2, 36486004), (4, 18243002), (8, 9121501), (19, 3840632), (23, 3172696), (38, 1920316), (46, 1586348), (76, 960158), (92, 793174), (152, 480079), (184, 396587), (437, 166984), (874, 83492), (1748, 41746), (3496, 20873)]