16528190

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{379}}^1$

素因数の和:489

約数の個数: 48

約数和(自身を含む): 35089200

約数和(自身を除く): 18561010

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 89, 98, 178, 245, 379, 445, 490, 623, 758, 890, 1246, 1895, 2653, 3115, 3790, 4361, 5306, 6230, 8722, 13265, 18571, 21805, 26530, 33731, 37142, 43610, 67462, 92855, 168655, 185710, 236117, 337310, 472234, 1180585, 1652819, 2361170, 3305638, 8264095, 16528190]

約数ペア:

[(1, 16528190), (2, 8264095), (5, 3305638), (7, 2361170), (10, 1652819), (14, 1180585), (35, 472234), (49, 337310), (70, 236117), (89, 185710), (98, 168655), (178, 92855), (245, 67462), (379, 43610), (445, 37142), (490, 33731), (623, 26530), (758, 21805), (890, 18571), (1246, 13265), (1895, 8722), (2653, 6230), (3115, 5306), (3790, 4361)]