209426590

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{241}}^1\times {\mathrm{1297}}^1$

素因数の和:1612

約数の個数: 32

約数和(自身を含む): 384477984

約数和(自身を除く): 175051394

約数列:

[1, 2, 5, 10, 67, 134, 241, 335, 482, 670, 1205, 1297, 2410, 2594, 6485, 12970, 16147, 32294, 80735, 86899, 161470, 173798, 312577, 434495, 625154, 868990, 1562885, 3125770, 20942659, 41885318, 104713295, 209426590]

約数ペア:

[(1, 209426590), (2, 104713295), (5, 41885318), (10, 20942659), (67, 3125770), (134, 1562885), (241, 868990), (335, 625154), (482, 434495), (670, 312577), (1205, 173798), (1297, 161470), (2410, 86899), (2594, 80735), (6485, 32294), (12970, 16147)]