144385724

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1\times {\mathrm{419}}^1$

素因数の和:858

約数の個数: 48

約数和(自身を含む): 299550720

約数和(自身を除く): 155164996

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 397, 419, 434, 794, 838, 868, 1588, 1676, 2779, 2933, 5558, 5866, 11116, 11732, 12307, 12989, 24614, 25978, 49228, 51956, 86149, 90923, 166343, 172298, 181846, 332686, 344596, 363692, 665372, 1164401, 2328802, 4657604, 5156633, 10313266, 20626532, 36096431, 72192862, 144385724]

約数ペア:

[(1, 144385724), (2, 72192862), (4, 36096431), (7, 20626532), (14, 10313266), (28, 5156633), (31, 4657604), (62, 2328802), (124, 1164401), (217, 665372), (397, 363692), (419, 344596), (434, 332686), (794, 181846), (838, 172298), (868, 166343), (1588, 90923), (1676, 86149), (2779, 51956), (2933, 49228), (5558, 25978), (5866, 24614), (11116, 12989), (11732, 12307)]