642000542

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1\times {\mathrm{937}}^1$

素因数の和:1220

約数の個数: 32

約数和(自身を含む): 1016281728

約数和(自身を除く): 374281186

約数列:

[1, 2, 37, 47, 74, 94, 197, 394, 937, 1739, 1874, 3478, 7289, 9259, 14578, 18518, 34669, 44039, 69338, 88078, 184589, 342583, 369178, 685166, 1629443, 3258886, 6829793, 8675683, 13659586, 17351366, 321000271, 642000542]

約数ペア:

[(1, 642000542), (2, 321000271), (37, 17351366), (47, 13659586), (74, 8675683), (94, 6829793), (197, 3258886), (394, 1629443), (937, 685166), (1739, 369178), (1874, 342583), (3478, 184589), (7289, 88078), (9259, 69338), (14578, 44039), (18518, 34669)]