211318330

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{4621}}^1$

素因数の和:4914

約数の個数: 32

約数和(自身を含む): 404332560

約数和(自身を除く): 193014230

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 269, 538, 1345, 2690, 4573, 4621, 9146, 9242, 22865, 23105, 45730, 46210, 78557, 157114, 392785, 785570, 1243049, 2486098, 6215245, 12430490, 21131833, 42263666, 105659165, 211318330]

約数ペア:

[(1, 211318330), (2, 105659165), (5, 42263666), (10, 21131833), (17, 12430490), (34, 6215245), (85, 2486098), (170, 1243049), (269, 785570), (538, 392785), (1345, 157114), (2690, 78557), (4573, 46210), (4621, 45730), (9146, 23105), (9242, 22865)]