28920008

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{571}}^1$

素因数の和:1077

約数の個数: 32

約数和(自身を含む): 58618560

約数和(自身を除く): 29698552

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 487, 571, 974, 1142, 1948, 2284, 3896, 4568, 6331, 7423, 12662, 14846, 25324, 29692, 50648, 59384, 278077, 556154, 1112308, 2224616, 3615001, 7230002, 14460004, 28920008]

約数ペア:

[(1, 28920008), (2, 14460004), (4, 7230002), (8, 3615001), (13, 2224616), (26, 1112308), (52, 556154), (104, 278077), (487, 59384), (571, 50648), (974, 29692), (1142, 25324), (1948, 14846), (2284, 12662), (3896, 7423), (4568, 6331)]