256413204

素因数分解:

$2^2\times 3^2\times {\mathrm{179}}^1\times {\mathrm{39791}}^1$

素因数の和:39980

約数の個数: 36

約数和(自身を含む): 651792960

約数和(自身を除く): 395379756

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 179, 358, 537, 716, 1074, 1611, 2148, 3222, 6444, 39791, 79582, 119373, 159164, 238746, 358119, 477492, 716238, 1432476, 7122589, 14245178, 21367767, 28490356, 42735534, 64103301, 85471068, 128206602, 256413204]

約数ペア:

[(1, 256413204), (2, 128206602), (3, 85471068), (4, 64103301), (6, 42735534), (9, 28490356), (12, 21367767), (18, 14245178), (36, 7122589), (179, 1432476), (358, 716238), (537, 477492), (716, 358119), (1074, 238746), (1611, 159164), (2148, 119373), (3222, 79582), (6444, 39791)]