668889148

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1\times {\mathrm{941}}^1$

素因数の和:1210

約数の個数: 48

約数和(自身を含む): 1266048000

約数和(自身を除く): 597158852

約数列:

[1, 2, 4, 19, 38, 47, 76, 94, 188, 199, 398, 796, 893, 941, 1786, 1882, 3572, 3764, 3781, 7562, 9353, 15124, 17879, 18706, 35758, 37412, 44227, 71516, 88454, 176908, 177707, 187259, 355414, 374518, 710828, 749036, 840313, 1680626, 3361252, 3557921, 7115842, 8801173, 14231684, 17602346, 35204692, 167222287, 334444574, 668889148]

約数ペア:

[(1, 668889148), (2, 334444574), (4, 167222287), (19, 35204692), (38, 17602346), (47, 14231684), (76, 8801173), (94, 7115842), (188, 3557921), (199, 3361252), (398, 1680626), (796, 840313), (893, 749036), (941, 710828), (1786, 374518), (1882, 355414), (3572, 187259), (3764, 177707), (3781, 176908), (7562, 88454), (9353, 71516), (15124, 44227), (17879, 37412), (18706, 35758)]