1291222816

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{7589}}^1$

素因数の和:8021

約数の個数: 48

約数和(自身を含む): 2744695800

約数和(自身を除く): 1453472984

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 409, 416, 818, 1636, 3272, 5317, 6544, 7589, 10634, 13088, 15178, 21268, 30356, 42536, 60712, 85072, 98657, 121424, 170144, 197314, 242848, 394628, 789256, 1578512, 3103901, 3157024, 6207802, 12415604, 24831208, 40350713, 49662416, 80701426, 99324832, 161402852, 322805704, 645611408, 1291222816]

約数ペア:

[(1, 1291222816), (2, 645611408), (4, 322805704), (8, 161402852), (13, 99324832), (16, 80701426), (26, 49662416), (32, 40350713), (52, 24831208), (104, 12415604), (208, 6207802), (409, 3157024), (416, 3103901), (818, 1578512), (1636, 789256), (3272, 394628), (5317, 242848), (6544, 197314), (7589, 170144), (10634, 121424), (13088, 98657), (15178, 85072), (21268, 60712), (30356, 42536)]