28979912

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{4159}}^1$

素因数の和:4245

約数の個数: 32

約数和(自身を含む): 59404800

約数和(自身を除く): 30424888

約数列:

[1, 2, 4, 8, 13, 26, 52, 67, 104, 134, 268, 536, 871, 1742, 3484, 4159, 6968, 8318, 16636, 33272, 54067, 108134, 216268, 278653, 432536, 557306, 1114612, 2229224, 3622489, 7244978, 14489956, 28979912]

約数ペア:

[(1, 28979912), (2, 14489956), (4, 7244978), (8, 3622489), (13, 2229224), (26, 1114612), (52, 557306), (67, 432536), (104, 278653), (134, 216268), (268, 108134), (536, 54067), (871, 33272), (1742, 16636), (3484, 8318), (4159, 6968)]