28013908

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{397}}^1$

素因数の和:496

約数の個数: 48

約数和(自身を含む): 56165760

約数和(自身を除く): 28151852

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 59, 92, 118, 236, 299, 397, 598, 767, 794, 1196, 1357, 1534, 1588, 2714, 3068, 5161, 5428, 9131, 10322, 17641, 18262, 20644, 23423, 35282, 36524, 46846, 70564, 93692, 118703, 237406, 304499, 474812, 538729, 608998, 1077458, 1217996, 2154916, 7003477, 14006954, 28013908]

約数ペア:

[(1, 28013908), (2, 14006954), (4, 7003477), (13, 2154916), (23, 1217996), (26, 1077458), (46, 608998), (52, 538729), (59, 474812), (92, 304499), (118, 237406), (236, 118703), (299, 93692), (397, 70564), (598, 46846), (767, 36524), (794, 35282), (1196, 23423), (1357, 20644), (1534, 18262), (1588, 17641), (2714, 10322), (3068, 9131), (5161, 5428)]