31771974

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:265

約数の個数: 64

約数和(自身を含む): 71628480

約数和(自身を除く): 39856506

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 74, 78, 101, 109, 111, 202, 218, 222, 303, 327, 481, 606, 654, 962, 1313, 1417, 1443, 2626, 2834, 2886, 3737, 3939, 4033, 4251, 7474, 7878, 8066, 8502, 11009, 11211, 12099, 22018, 22422, 24198, 33027, 48581, 52429, 66054, 97162, 104858, 143117, 145743, 157287, 286234, 291486, 314574, 407333, 429351, 814666, 858702, 1221999, 2443998, 5295329, 10590658, 15885987, 31771974]

約数ペア:

[(1, 31771974), (2, 15885987), (3, 10590658), (6, 5295329), (13, 2443998), (26, 1221999), (37, 858702), (39, 814666), (74, 429351), (78, 407333), (101, 314574), (109, 291486), (111, 286234), (202, 157287), (218, 145743), (222, 143117), (303, 104858), (327, 97162), (481, 66054), (606, 52429), (654, 48581), (962, 33027), (1313, 24198), (1417, 22422), (1443, 22018), (2626, 12099), (2834, 11211), (2886, 11009), (3737, 8502), (3939, 8066), (4033, 7878), (4251, 7474)]