28236728

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{15971}}^1$

素因数の和:16007

約数の個数: 32

約数和(自身を含む): 60374160

約数和(自身を除く): 32137432

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 15971, 31942, 63884, 127768, 207623, 271507, 415246, 543014, 830492, 1086028, 1660984, 2172056, 3529591, 7059182, 14118364, 28236728]

約数ペア:

[(1, 28236728), (2, 14118364), (4, 7059182), (8, 3529591), (13, 2172056), (17, 1660984), (26, 1086028), (34, 830492), (52, 543014), (68, 415246), (104, 271507), (136, 207623), (221, 127768), (442, 63884), (884, 31942), (1768, 15971)]