42681990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109441}}^1$

素因数の和:109464

約数の個数: 32

約数和(自身を含む): 110317536

約数和(自身を除く): 67635546

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 109441, 218882, 328323, 547205, 656646, 1094410, 1422733, 1641615, 2845466, 3283230, 4268199, 7113665, 8536398, 14227330, 21340995, 42681990]

約数ペア:

[(1, 42681990), (2, 21340995), (3, 14227330), (5, 8536398), (6, 7113665), (10, 4268199), (13, 3283230), (15, 2845466), (26, 1641615), (30, 1422733), (39, 1094410), (65, 656646), (78, 547205), (130, 328323), (195, 218882), (390, 109441)]