31437642

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:243

約数の個数: 64

約数和(自身を含む): 69341184

約数和(自身を除く): 37903542

約数列:

[1, 2, 3, 6, 23, 37, 46, 47, 69, 74, 94, 111, 131, 138, 141, 222, 262, 282, 393, 786, 851, 1081, 1702, 1739, 2162, 2553, 3013, 3243, 3478, 4847, 5106, 5217, 6026, 6157, 6486, 9039, 9694, 10434, 12314, 14541, 18078, 18471, 29082, 36942, 39997, 79994, 111481, 119991, 141611, 222962, 227809, 239982, 283222, 334443, 424833, 455618, 668886, 683427, 849666, 1366854, 5239607, 10479214, 15718821, 31437642]

約数ペア:

[(1, 31437642), (2, 15718821), (3, 10479214), (6, 5239607), (23, 1366854), (37, 849666), (46, 683427), (47, 668886), (69, 455618), (74, 424833), (94, 334443), (111, 283222), (131, 239982), (138, 227809), (141, 222962), (222, 141611), (262, 119991), (282, 111481), (393, 79994), (786, 39997), (851, 36942), (1081, 29082), (1702, 18471), (1739, 18078), (2162, 14541), (2553, 12314), (3013, 10434), (3243, 9694), (3478, 9039), (4847, 6486), (5106, 6157), (5217, 6026)]