217311690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{491}}^1\times {\mathrm{14753}}^1$

素因数の和:15254

約数の個数: 32

約数和(自身を含む): 522645696

約数和(自身を除く): 305334006

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 491, 982, 1473, 2455, 2946, 4910, 7365, 14730, 14753, 29506, 44259, 73765, 88518, 147530, 221295, 442590, 7243723, 14487446, 21731169, 36218615, 43462338, 72437230, 108655845, 217311690]

約数ペア:

[(1, 217311690), (2, 108655845), (3, 72437230), (5, 43462338), (6, 36218615), (10, 21731169), (15, 14487446), (30, 7243723), (491, 442590), (982, 221295), (1473, 147530), (2455, 88518), (2946, 73765), (4910, 44259), (7365, 29506), (14730, 14753)]