64789190

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{1423}}^1$

素因数の和:1616

約数の個数: 32

約数和(自身を含む): 121495680

約数和(自身を除く): 56706490

約数列:

[1, 2, 5, 10, 29, 58, 145, 157, 290, 314, 785, 1423, 1570, 2846, 4553, 7115, 9106, 14230, 22765, 41267, 45530, 82534, 206335, 223411, 412670, 446822, 1117055, 2234110, 6478919, 12957838, 32394595, 64789190]

約数ペア:

[(1, 64789190), (2, 32394595), (5, 12957838), (10, 6478919), (29, 2234110), (58, 1117055), (145, 446822), (157, 412670), (290, 223411), (314, 206335), (785, 82534), (1423, 45530), (1570, 41267), (2846, 22765), (4553, 14230), (7115, 9106)]