138865585

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{773}}^1$

素因数の和:889

約数の個数: 32

約数和(自身を含む): 184273920

約数和(自身を除く): 45408335

約数列:

[1, 5, 19, 31, 61, 95, 155, 305, 589, 773, 1159, 1891, 2945, 3865, 5795, 9455, 14687, 23963, 35929, 47153, 73435, 119815, 179645, 235765, 455297, 895907, 1461743, 2276485, 4479535, 7308715, 27773117, 138865585]

約数ペア:

[(1, 138865585), (5, 27773117), (19, 7308715), (31, 4479535), (61, 2276485), (95, 1461743), (155, 895907), (305, 455297), (589, 235765), (773, 179645), (1159, 119815), (1891, 73435), (2945, 47153), (3865, 35929), (5795, 23963), (9455, 14687)]