218189390

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{18077}}^1$

素因数の和:18172

約数の個数: 32

約数和(自身を含む): 421723584

約数和(自身を除く): 203534194

約数列:

[1, 2, 5, 10, 17, 34, 71, 85, 142, 170, 355, 710, 1207, 2414, 6035, 12070, 18077, 36154, 90385, 180770, 307309, 614618, 1283467, 1536545, 2566934, 3073090, 6417335, 12834670, 21818939, 43637878, 109094695, 218189390]

約数ペア:

[(1, 218189390), (2, 109094695), (5, 43637878), (10, 21818939), (17, 12834670), (34, 6417335), (71, 3073090), (85, 2566934), (142, 1536545), (170, 1283467), (355, 614618), (710, 307309), (1207, 180770), (2414, 90385), (6035, 36154), (12070, 18077)]