209739270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{537793}}^1$

素因数の和:537816

約数の個数: 32

約数和(自身を含む): 542096352

約数和(自身を除く): 332357082

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 537793, 1075586, 1613379, 2688965, 3226758, 5377930, 6991309, 8066895, 13982618, 16133790, 20973927, 34956545, 41947854, 69913090, 104869635, 209739270]

約数ペア:

[(1, 209739270), (2, 104869635), (3, 69913090), (5, 41947854), (6, 34956545), (10, 20973927), (13, 16133790), (15, 13982618), (26, 8066895), (30, 6991309), (39, 5377930), (65, 3226758), (78, 2688965), (130, 1613379), (195, 1075586), (390, 537793)]