2821390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1973}}^1$

素因数の和:2004

約数の個数: 32

約数和(自身を含む): 5969376

約数和(自身を除く): 3147986

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 1973, 3946, 9865, 19730, 21703, 25649, 43406, 51298, 108515, 128245, 217030, 256490, 282139, 564278, 1410695, 2821390]

約数ペア:

[(1, 2821390), (2, 1410695), (5, 564278), (10, 282139), (11, 256490), (13, 217030), (22, 128245), (26, 108515), (55, 51298), (65, 43406), (110, 25649), (130, 21703), (143, 19730), (286, 9865), (715, 3946), (1430, 1973)]