64874398

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{373}}^1$

素因数の和:616

約数の個数: 32

約数和(自身を含む): 107712000

約数和(自身を除く): 42837602

約数列:

[1, 2, 19, 23, 38, 46, 199, 373, 398, 437, 746, 874, 3781, 4577, 7087, 7562, 8579, 9154, 14174, 17158, 74227, 86963, 148454, 163001, 173926, 326002, 1410313, 1707221, 2820626, 3414442, 32437199, 64874398]

約数ペア:

[(1, 64874398), (2, 32437199), (19, 3414442), (23, 2820626), (38, 1707221), (46, 1410313), (199, 326002), (373, 173926), (398, 163001), (437, 148454), (746, 86963), (874, 74227), (3781, 17158), (4577, 14174), (7087, 9154), (7562, 8579)]