217018704

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{645889}}^1$

素因数の和:645907

約数の個数: 40

約数和(自身を含む): 640722880

約数和(自身を除く): 423704176

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 645889, 1291778, 1937667, 2583556, 3875334, 4521223, 5167112, 7750668, 9042446, 10334224, 13563669, 15501336, 18084892, 27127338, 31002672, 36169784, 54254676, 72339568, 108509352, 217018704]

約数ペア:

[(1, 217018704), (2, 108509352), (3, 72339568), (4, 54254676), (6, 36169784), (7, 31002672), (8, 27127338), (12, 18084892), (14, 15501336), (16, 13563669), (21, 10334224), (24, 9042446), (28, 7750668), (42, 5167112), (48, 4521223), (56, 3875334), (84, 2583556), (112, 1937667), (168, 1291778), (336, 645889)]