12647390

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{487}}^1$

素因数の和:561

約数の個数: 48

約数和(自身を含む): 27037152

約数和(自身を除く): 14389762

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 53, 70, 98, 106, 245, 265, 371, 487, 490, 530, 742, 974, 1855, 2435, 2597, 3409, 3710, 4870, 5194, 6818, 12985, 17045, 23863, 25811, 25970, 34090, 47726, 51622, 119315, 129055, 180677, 238630, 258110, 361354, 903385, 1264739, 1806770, 2529478, 6323695, 12647390]

約数ペア:

[(1, 12647390), (2, 6323695), (5, 2529478), (7, 1806770), (10, 1264739), (14, 903385), (35, 361354), (49, 258110), (53, 238630), (70, 180677), (98, 129055), (106, 119315), (245, 51622), (265, 47726), (371, 34090), (487, 25970), (490, 25811), (530, 23863), (742, 17045), (974, 12985), (1855, 6818), (2435, 5194), (2597, 4870), (3409, 3710)]