291213820340

素因数分解:

$2^2\times 5^1\times {\mathrm{1637}}^1\times {\mathrm{8894741}}^1$

素因数の和:8896387

約数の個数: 24

約数和(自身を含む): 611922670632

約数和(自身を除く): 320708850292

約数列:

[1, 2, 4, 5, 10, 20, 1637, 3274, 6548, 8185, 16370, 32740, 8894741, 17789482, 35578964, 44473705, 88947410, 177894820, 14560691017, 29121382034, 58242764068, 72803455085, 145606910170, 291213820340]

約数ペア:

[(1, 291213820340), (2, 145606910170), (4, 72803455085), (5, 58242764068), (10, 29121382034), (20, 14560691017), (1637, 177894820), (3274, 88947410), (6548, 44473705), (8185, 35578964), (16370, 17789482), (32740, 8894741)]