28666768

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{487}}^1$

素因数の和:791

約数の個数: 40

約数和(自身を含む): 60148928

約数和(自身を除く): 31482160

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 283, 487, 566, 974, 1132, 1948, 2264, 3679, 3896, 4528, 6331, 7358, 7792, 12662, 14716, 25324, 29432, 50648, 58864, 101296, 137821, 275642, 551284, 1102568, 1791673, 2205136, 3583346, 7166692, 14333384, 28666768]

約数ペア:

[(1, 28666768), (2, 14333384), (4, 7166692), (8, 3583346), (13, 2205136), (16, 1791673), (26, 1102568), (52, 551284), (104, 275642), (208, 137821), (283, 101296), (487, 58864), (566, 50648), (974, 29432), (1132, 25324), (1948, 14716), (2264, 12662), (3679, 7792), (3896, 7358), (4528, 6331)]