31321914

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{227}}^1$

素因数の和:335

約数の個数: 64

約数和(自身を含む): 71245440

約数和(自身を除く): 39923526

約数列:

[1, 2, 3, 6, 13, 26, 29, 39, 58, 61, 78, 87, 122, 174, 183, 227, 366, 377, 454, 681, 754, 793, 1131, 1362, 1586, 1769, 2262, 2379, 2951, 3538, 4758, 5307, 5902, 6583, 8853, 10614, 13166, 13847, 17706, 19749, 22997, 27694, 39498, 41541, 45994, 68991, 83082, 85579, 137982, 171158, 180011, 256737, 360022, 401563, 513474, 540033, 803126, 1080066, 1204689, 2409378, 5220319, 10440638, 15660957, 31321914]

約数ペア:

[(1, 31321914), (2, 15660957), (3, 10440638), (6, 5220319), (13, 2409378), (26, 1204689), (29, 1080066), (39, 803126), (58, 540033), (61, 513474), (78, 401563), (87, 360022), (122, 256737), (174, 180011), (183, 171158), (227, 137982), (366, 85579), (377, 83082), (454, 68991), (681, 45994), (754, 41541), (793, 39498), (1131, 27694), (1362, 22997), (1586, 19749), (1769, 17706), (2262, 13847), (2379, 13166), (2951, 10614), (3538, 8853), (4758, 6583), (5307, 5902)]