428879358

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{20773}}^1$

素因数の和:20849

約数の個数: 48

約数和(自身を含む): 985186176

約数和(自身を除く): 556306818

約数列:

[1, 2, 3, 6, 9, 18, 31, 37, 62, 74, 93, 111, 186, 222, 279, 333, 558, 666, 1147, 2294, 3441, 6882, 10323, 20646, 20773, 41546, 62319, 124638, 186957, 373914, 643963, 768601, 1287926, 1537202, 1931889, 2305803, 3863778, 4611606, 5795667, 6917409, 11591334, 13834818, 23826631, 47653262, 71479893, 142959786, 214439679, 428879358]

約数ペア:

[(1, 428879358), (2, 214439679), (3, 142959786), (6, 71479893), (9, 47653262), (18, 23826631), (31, 13834818), (37, 11591334), (62, 6917409), (74, 5795667), (93, 4611606), (111, 3863778), (186, 2305803), (222, 1931889), (279, 1537202), (333, 1287926), (558, 768601), (666, 643963), (1147, 373914), (2294, 186957), (3441, 124638), (6882, 62319), (10323, 41546), (20646, 20773)]