639777636

素因数分解:

$2^2\times 3^3\times {\mathrm{2203}}^1\times {\mathrm{2689}}^1$

素因数の和:4905

約数の個数: 48

約数和(自身を含む): 1660052800

約数和(自身を除く): 1020275164

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 2203, 2689, 4406, 5378, 6609, 8067, 8812, 10756, 13218, 16134, 19827, 24201, 26436, 32268, 39654, 48402, 59481, 72603, 79308, 96804, 118962, 145206, 237924, 290412, 5923867, 11847734, 17771601, 23695468, 35543202, 53314803, 71086404, 106629606, 159944409, 213259212, 319888818, 639777636]

約数ペア:

[(1, 639777636), (2, 319888818), (3, 213259212), (4, 159944409), (6, 106629606), (9, 71086404), (12, 53314803), (18, 35543202), (27, 23695468), (36, 17771601), (54, 11847734), (108, 5923867), (2203, 290412), (2689, 237924), (4406, 145206), (5378, 118962), (6609, 96804), (8067, 79308), (8812, 72603), (10756, 59481), (13218, 48402), (16134, 39654), (19827, 32268), (24201, 26436)]