128649384

素因数分解:

$2^3\times 3^4\times {\mathrm{198533}}^1$

素因数の和:198551

約数の個数: 40

約数和(自身を含む): 360339210

約数和(自身を除く): 231689826

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 198533, 397066, 595599, 794132, 1191198, 1588264, 1786797, 2382396, 3573594, 4764792, 5360391, 7147188, 10720782, 14294376, 16081173, 21441564, 32162346, 42883128, 64324692, 128649384]

約数ペア:

[(1, 128649384), (2, 64324692), (3, 42883128), (4, 32162346), (6, 21441564), (8, 16081173), (9, 14294376), (12, 10720782), (18, 7147188), (24, 5360391), (27, 4764792), (36, 3573594), (54, 2382396), (72, 1786797), (81, 1588264), (108, 1191198), (162, 794132), (216, 595599), (324, 397066), (648, 198533)]