217637256

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{245087}}^1$

素因数の和:245133

約数の個数: 32

約数和(自身を含む): 558800640

約数和(自身を除く): 341163384

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 111, 148, 222, 296, 444, 888, 245087, 490174, 735261, 980348, 1470522, 1960696, 2941044, 5882088, 9068219, 18136438, 27204657, 36272876, 54409314, 72545752, 108818628, 217637256]

約数ペア:

[(1, 217637256), (2, 108818628), (3, 72545752), (4, 54409314), (6, 36272876), (8, 27204657), (12, 18136438), (24, 9068219), (37, 5882088), (74, 2941044), (111, 1960696), (148, 1470522), (222, 980348), (296, 735261), (444, 490174), (888, 245087)]