1640697422

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{209647}}^1$

素因数の和:209712

約数の個数: 32

約数和(自身を含む): 3099436032

約数和(自身を除く): 1458738610

約数列:

[1, 2, 7, 13, 14, 26, 43, 86, 91, 182, 301, 559, 602, 1118, 3913, 7826, 209647, 419294, 1467529, 2725411, 2935058, 5450822, 9014821, 18029642, 19077877, 38155754, 63103747, 117192673, 126207494, 234385346, 820348711, 1640697422]

約数ペア:

[(1, 1640697422), (2, 820348711), (7, 234385346), (13, 126207494), (14, 117192673), (26, 63103747), (43, 38155754), (86, 19077877), (91, 18029642), (182, 9014821), (301, 5450822), (559, 2935058), (602, 2725411), (1118, 1467529), (3913, 419294), (7826, 209647)]