16987490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{877}}^1$

素因数の和:1046

約数の個数: 32

約数和(自身を含む): 33188400

約数和(自身を除く): 16200910

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 149, 298, 745, 877, 1490, 1754, 1937, 3874, 4385, 8770, 9685, 11401, 19370, 22802, 57005, 114010, 130673, 261346, 653365, 1306730, 1698749, 3397498, 8493745, 16987490]

約数ペア:

[(1, 16987490), (2, 8493745), (5, 3397498), (10, 1698749), (13, 1306730), (26, 653365), (65, 261346), (130, 130673), (149, 114010), (298, 57005), (745, 22802), (877, 19370), (1490, 11401), (1754, 9685), (1937, 8770), (3874, 4385)]