64145564

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{401}}^1$

素因数の和:638

約数の個数: 48

約数和(自身を含む): 133721280

約数和(自身を除く): 69575716

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 197, 203, 394, 401, 406, 788, 802, 812, 1379, 1604, 2758, 2807, 5516, 5614, 5713, 11228, 11426, 11629, 22852, 23258, 39991, 46516, 78997, 79982, 81403, 157994, 159964, 162806, 315988, 325612, 552979, 1105958, 2211916, 2290913, 4581826, 9163652, 16036391, 32072782, 64145564]

約数ペア:

[(1, 64145564), (2, 32072782), (4, 16036391), (7, 9163652), (14, 4581826), (28, 2290913), (29, 2211916), (58, 1105958), (116, 552979), (197, 325612), (203, 315988), (394, 162806), (401, 159964), (406, 157994), (788, 81403), (802, 79982), (812, 78997), (1379, 46516), (1604, 39991), (2758, 23258), (2807, 22852), (5516, 11629), (5614, 11426), (5713, 11228)]