31720976

素因数分解:

$2^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4643}}^1$

素因数の和:4719

約数の個数: 40

約数和(自身を含む): 71406144

約数和(自身を除く): 39685168

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 61, 112, 122, 244, 427, 488, 854, 976, 1708, 3416, 4643, 6832, 9286, 18572, 32501, 37144, 65002, 74288, 130004, 260008, 283223, 520016, 566446, 1132892, 1982561, 2265784, 3965122, 4531568, 7930244, 15860488, 31720976]

約数ペア:

[(1, 31720976), (2, 15860488), (4, 7930244), (7, 4531568), (8, 3965122), (14, 2265784), (16, 1982561), (28, 1132892), (56, 566446), (61, 520016), (112, 283223), (122, 260008), (244, 130004), (427, 74288), (488, 65002), (854, 37144), (976, 32501), (1708, 18572), (3416, 9286), (4643, 6832)]