64960456

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:406

約数の個数: 64

約数和(自身を含む): 138879360

約数和(自身を除く): 73918904

約数列:

[1, 2, 4, 8, 11, 22, 37, 44, 71, 74, 88, 142, 148, 281, 284, 296, 407, 562, 568, 781, 814, 1124, 1562, 1628, 2248, 2627, 3091, 3124, 3256, 5254, 6182, 6248, 10397, 10508, 12364, 19951, 20794, 21016, 24728, 28897, 39902, 41588, 57794, 79804, 83176, 114367, 115588, 159608, 219461, 228734, 231176, 438922, 457468, 738187, 877844, 914936, 1476374, 1755688, 2952748, 5905496, 8120057, 16240114, 32480228, 64960456]

約数ペア:

[(1, 64960456), (2, 32480228), (4, 16240114), (8, 8120057), (11, 5905496), (22, 2952748), (37, 1755688), (44, 1476374), (71, 914936), (74, 877844), (88, 738187), (142, 457468), (148, 438922), (281, 231176), (284, 228734), (296, 219461), (407, 159608), (562, 115588), (568, 114367), (781, 83176), (814, 79804), (1124, 57794), (1562, 41588), (1628, 39902), (2248, 28897), (2627, 24728), (3091, 21016), (3124, 20794), (3256, 19951), (5254, 12364), (6182, 10508), (6248, 10397)]