64746248

素因数分解:

$2^3\times 7^2\times {\mathrm{331}}^1\times {\mathrm{499}}^1$

素因数の和:850

約数の個数: 48

約数和(自身を含む): 141930000

約数和(自身を除く): 77183752

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 331, 392, 499, 662, 998, 1324, 1996, 2317, 2648, 3493, 3992, 4634, 6986, 9268, 13972, 16219, 18536, 24451, 27944, 32438, 48902, 64876, 97804, 129752, 165169, 195608, 330338, 660676, 1156183, 1321352, 2312366, 4624732, 8093281, 9249464, 16186562, 32373124, 64746248]

約数ペア:

[(1, 64746248), (2, 32373124), (4, 16186562), (7, 9249464), (8, 8093281), (14, 4624732), (28, 2312366), (49, 1321352), (56, 1156183), (98, 660676), (196, 330338), (331, 195608), (392, 165169), (499, 129752), (662, 97804), (998, 64876), (1324, 48902), (1996, 32438), (2317, 27944), (2648, 24451), (3493, 18536), (3992, 16219), (4634, 13972), (6986, 9268)]