128505204

素因数分解:

$2^2\times 3^6\times {\mathrm{127}}^1\times {\mathrm{347}}^1$

素因数の和:496

約数の個数: 84

約数和(自身を含む): 340806144

約数和(自身を除く): 212300940

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 127, 162, 243, 254, 324, 347, 381, 486, 508, 694, 729, 762, 972, 1041, 1143, 1388, 1458, 1524, 2082, 2286, 2916, 3123, 3429, 4164, 4572, 6246, 6858, 9369, 10287, 12492, 13716, 18738, 20574, 28107, 30861, 37476, 41148, 44069, 56214, 61722, 84321, 88138, 92583, 112428, 123444, 132207, 168642, 176276, 185166, 252963, 264414, 337284, 370332, 396621, 505926, 528828, 793242, 1011852, 1189863, 1586484, 2379726, 3569589, 4759452, 7139178, 10708767, 14278356, 21417534, 32126301, 42835068, 64252602, 128505204]

約数ペア:

[(1, 128505204), (2, 64252602), (3, 42835068), (4, 32126301), (6, 21417534), (9, 14278356), (12, 10708767), (18, 7139178), (27, 4759452), (36, 3569589), (54, 2379726), (81, 1586484), (108, 1189863), (127, 1011852), (162, 793242), (243, 528828), (254, 505926), (324, 396621), (347, 370332), (381, 337284), (486, 264414), (508, 252963), (694, 185166), (729, 176276), (762, 168642), (972, 132207), (1041, 123444), (1143, 112428), (1388, 92583), (1458, 88138), (1524, 84321), (2082, 61722), (2286, 56214), (2916, 44069), (3123, 41148), (3429, 37476), (4164, 30861), (4572, 28107), (6246, 20574), (6858, 18738), (9369, 13716), (10287, 12492)]