1218780408578

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{331}}^1\times {\mathrm{491}}^1\times {\mathrm{61469}}^1$

素因数の和:62354

約数の個数: 32

約数和(自身を含む): 1867580556480

約数和(自身を除く): 648800147902

約数列:

[1, 2, 61, 122, 331, 491, 662, 982, 20191, 29951, 40382, 59902, 61469, 122938, 162521, 325042, 3749609, 7499218, 9913781, 19827562, 20346239, 30181279, 40692478, 60362558, 1241120579, 1841058019, 2482241158, 3682116038, 9990003349, 19980006698, 609390204289, 1218780408578]

約数ペア:

[(1, 1218780408578), (2, 609390204289), (61, 19980006698), (122, 9990003349), (331, 3682116038), (491, 2482241158), (662, 1841058019), (982, 1241120579), (20191, 60362558), (29951, 40692478), (40382, 30181279), (59902, 20346239), (61469, 19827562), (122938, 9913781), (162521, 7499218), (325042, 3749609)]