197768908

素因数分解:

$2^2\times {\mathrm{101}}^1\times {\mathrm{491}}^1\times {\mathrm{997}}^1$

素因数の和:1593

約数の個数: 24

約数和(自身を含む): 350585424

約数和(自身を除く): 152816516

約数列:

[1, 2, 4, 101, 202, 404, 491, 982, 997, 1964, 1994, 3988, 49591, 99182, 100697, 198364, 201394, 402788, 489527, 979054, 1958108, 49442227, 98884454, 197768908]

約数ペア:

[(1, 197768908), (2, 98884454), (4, 49442227), (101, 1958108), (202, 979054), (404, 489527), (491, 402788), (982, 201394), (997, 198364), (1964, 100697), (1994, 99182), (3988, 49591)]