28757844

素因数分解:

$2^2\times 3^2\times {\mathrm{571}}^1\times {\mathrm{1399}}^1$

素因数の和:1980

約数の個数: 36

約数和(自身を含む): 72872800

約数和(自身を除く): 44114956

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 571, 1142, 1399, 1713, 2284, 2798, 3426, 4197, 5139, 5596, 6852, 8394, 10278, 12591, 16788, 20556, 25182, 50364, 798829, 1597658, 2396487, 3195316, 4792974, 7189461, 9585948, 14378922, 28757844]

約数ペア:

[(1, 28757844), (2, 14378922), (3, 9585948), (4, 7189461), (6, 4792974), (9, 3195316), (12, 2396487), (18, 1597658), (36, 798829), (571, 50364), (1142, 25182), (1399, 20556), (1713, 16788), (2284, 12591), (2798, 10278), (3426, 8394), (4197, 6852), (5139, 5596)]