64561448

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{31159}}^1$

素因数の和:31209

約数の個数: 32

約数和(自身を含む): 142089600

約数和(自身を除く): 77528152

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 259, 296, 518, 1036, 2072, 31159, 62318, 124636, 218113, 249272, 436226, 872452, 1152883, 1744904, 2305766, 4611532, 8070181, 9223064, 16140362, 32280724, 64561448]

約数ペア:

[(1, 64561448), (2, 32280724), (4, 16140362), (7, 9223064), (8, 8070181), (14, 4611532), (28, 2305766), (37, 1744904), (56, 1152883), (74, 872452), (148, 436226), (259, 249272), (296, 218113), (518, 124636), (1036, 62318), (2072, 31159)]