64739788

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 121117248

約数和(自身を除く): 56377460

約数列:

[1, 2, 4, 37, 61, 71, 74, 101, 122, 142, 148, 202, 244, 284, 404, 2257, 2627, 3737, 4331, 4514, 5254, 6161, 7171, 7474, 8662, 9028, 10508, 12322, 14342, 14948, 17324, 24644, 28684, 160247, 227957, 265327, 320494, 437431, 455914, 530654, 640988, 874862, 911828, 1061308, 1749724, 16184947, 32369894, 64739788]

約数ペア:

[(1, 64739788), (2, 32369894), (4, 16184947), (37, 1749724), (61, 1061308), (71, 911828), (74, 874862), (101, 640988), (122, 530654), (142, 455914), (148, 437431), (202, 320494), (244, 265327), (284, 227957), (404, 160247), (2257, 28684), (2627, 24644), (3737, 17324), (4331, 14948), (4514, 14342), (5254, 12322), (6161, 10508), (7171, 9028), (7474, 8662)]