217416910

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{18013}}^1$

素因数の和:18108

約数の個数: 32

約数和(自身を含む): 420230592

約数和(自身を除く): 202813682

約数列:

[1, 2, 5, 10, 17, 34, 71, 85, 142, 170, 355, 710, 1207, 2414, 6035, 12070, 18013, 36026, 90065, 180130, 306221, 612442, 1278923, 1531105, 2557846, 3062210, 6394615, 12789230, 21741691, 43483382, 108708455, 217416910]

約数ペア:

[(1, 217416910), (2, 108708455), (5, 43483382), (10, 21741691), (17, 12789230), (34, 6394615), (71, 3062210), (85, 2557846), (142, 1531105), (170, 1278923), (355, 612442), (710, 306221), (1207, 180130), (2414, 90065), (6035, 36026), (12070, 18013)]