64987878

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{331}}^1\times {\mathrm{761}}^1$

素因数の和:1140

約数の個数: 32

約数和(自身を含む): 133575552

約数和(自身を除く): 68587674

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 331, 662, 761, 993, 1522, 1986, 2283, 4566, 14233, 28466, 32723, 42699, 65446, 85398, 98169, 196338, 251891, 503782, 755673, 1511346, 10831313, 21662626, 32493939, 64987878]

約数ペア:

[(1, 64987878), (2, 32493939), (3, 21662626), (6, 10831313), (43, 1511346), (86, 755673), (129, 503782), (258, 251891), (331, 196338), (662, 98169), (761, 85398), (993, 65446), (1522, 42699), (1986, 32723), (2283, 28466), (4566, 14233)]