81273608

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{21121}}^1$

素因数の和:21177

約数の個数: 32

約数和(自身を含む): 168553560

約数和(自身を除く): 87279952

約数列:

[1, 2, 4, 8, 13, 26, 37, 52, 74, 104, 148, 296, 481, 962, 1924, 3848, 21121, 42242, 84484, 168968, 274573, 549146, 781477, 1098292, 1562954, 2196584, 3125908, 6251816, 10159201, 20318402, 40636804, 81273608]

約数ペア:

[(1, 81273608), (2, 40636804), (4, 20318402), (8, 10159201), (13, 6251816), (26, 3125908), (37, 2196584), (52, 1562954), (74, 1098292), (104, 781477), (148, 549146), (296, 274573), (481, 168968), (962, 84484), (1924, 42242), (3848, 21121)]