640251036

素因数分解:

$2^2\times 3^2\times {\mathrm{401}}^1\times {\mathrm{44351}}^1$

素因数の和:44762

約数の個数: 36

約数和(自身を含む): 1622484864

約数和(自身を除く): 982233828

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 401, 802, 1203, 1604, 2406, 3609, 4812, 7218, 14436, 44351, 88702, 133053, 177404, 266106, 399159, 532212, 798318, 1596636, 17784751, 35569502, 53354253, 71139004, 106708506, 160062759, 213417012, 320125518, 640251036]

約数ペア:

[(1, 640251036), (2, 320125518), (3, 213417012), (4, 160062759), (6, 106708506), (9, 71139004), (12, 53354253), (18, 35569502), (36, 17784751), (401, 1596636), (802, 798318), (1203, 532212), (1604, 399159), (2406, 266106), (3609, 177404), (4812, 133053), (7218, 88702), (14436, 44351)]