16989550

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1$

素因数の和:253

約数の個数: 48

約数和(自身を含む): 33247872

約数和(自身を除く): 16258322

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 97, 113, 155, 194, 226, 310, 485, 565, 775, 970, 1130, 1550, 2425, 2825, 3007, 3503, 4850, 5650, 6014, 7006, 10961, 15035, 17515, 21922, 30070, 35030, 54805, 75175, 87575, 109610, 150350, 175150, 274025, 339791, 548050, 679582, 1698955, 3397910, 8494775, 16989550]

約数ペア:

[(1, 16989550), (2, 8494775), (5, 3397910), (10, 1698955), (25, 679582), (31, 548050), (50, 339791), (62, 274025), (97, 175150), (113, 150350), (155, 109610), (194, 87575), (226, 75175), (310, 54805), (485, 35030), (565, 30070), (775, 21922), (970, 17515), (1130, 15035), (1550, 10961), (2425, 7006), (2825, 6014), (3007, 5650), (3503, 4850)]