156975478

素因数分解:

$2^1\times {\mathrm{11}}^3\times {\mathrm{109}}^1\times {\mathrm{541}}^1$

素因数の和:685

約数の個数: 32

約数和(自身を含む): 261851040

約数和(自身を除く): 104875562

約数列:

[1, 2, 11, 22, 109, 121, 218, 242, 541, 1082, 1199, 1331, 2398, 2662, 5951, 11902, 13189, 26378, 58969, 65461, 117938, 130922, 145079, 290158, 648659, 720071, 1297318, 1440142, 7135249, 14270498, 78487739, 156975478]

約数ペア:

[(1, 156975478), (2, 78487739), (11, 14270498), (22, 7135249), (109, 1440142), (121, 1297318), (218, 720071), (242, 648659), (541, 290158), (1082, 145079), (1199, 130922), (1331, 117938), (2398, 65461), (2662, 58969), (5951, 26378), (11902, 13189)]