213845065

素因数分解:

$5^1\times 7^4\times {\mathrm{47}}^1\times {\mathrm{379}}^1$

素因数の和:459

約数の個数: 40

約数和(自身を含む): 306541440

約数和(自身を除く): 92696375

約数列:

[1, 5, 7, 35, 47, 49, 235, 245, 329, 343, 379, 1645, 1715, 1895, 2303, 2401, 2653, 11515, 12005, 13265, 16121, 17813, 18571, 80605, 89065, 92855, 112847, 124691, 129997, 564235, 623455, 649985, 872837, 909979, 4364185, 4549895, 6109859, 30549295, 42769013, 213845065]

約数ペア:

[(1, 213845065), (5, 42769013), (7, 30549295), (35, 6109859), (47, 4549895), (49, 4364185), (235, 909979), (245, 872837), (329, 649985), (343, 623455), (379, 564235), (1645, 129997), (1715, 124691), (1895, 112847), (2303, 92855), (2401, 89065), (2653, 80605), (11515, 18571), (12005, 17813), (13265, 16121)]