77487910

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{1381}}^1$

素因数の和:1600

約数の個数: 32

約数和(自身を含む): 144877824

約数和(自身を除く): 67389914

約数列:

[1, 2, 5, 10, 31, 62, 155, 181, 310, 362, 905, 1381, 1810, 2762, 5611, 6905, 11222, 13810, 28055, 42811, 56110, 85622, 214055, 249961, 428110, 499922, 1249805, 2499610, 7748791, 15497582, 38743955, 77487910]

約数ペア:

[(1, 77487910), (2, 38743955), (5, 15497582), (10, 7748791), (31, 2499610), (62, 1249805), (155, 499922), (181, 428110), (310, 249961), (362, 214055), (905, 85622), (1381, 56110), (1810, 42811), (2762, 28055), (5611, 13810), (6905, 11222)]