216131668

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{173}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 397789056

約数和(自身を除く): 181657388

約数列:

[1, 2, 4, 53, 71, 83, 106, 142, 166, 173, 212, 284, 332, 346, 692, 3763, 4399, 5893, 7526, 8798, 9169, 11786, 12283, 14359, 15052, 17596, 18338, 23572, 24566, 28718, 36676, 49132, 57436, 312329, 624658, 650999, 761027, 1019489, 1249316, 1301998, 1522054, 2038978, 2603996, 3044108, 4077956, 54032917, 108065834, 216131668]

約数ペア:

[(1, 216131668), (2, 108065834), (4, 54032917), (53, 4077956), (71, 3044108), (83, 2603996), (106, 2038978), (142, 1522054), (166, 1301998), (173, 1249316), (212, 1019489), (284, 761027), (332, 650999), (346, 624658), (692, 312329), (3763, 57436), (4399, 49132), (5893, 36676), (7526, 28718), (8798, 24566), (9169, 23572), (11786, 18338), (12283, 17596), (14359, 15052)]