1287817704

素因数分解:

$2^3\times 3^4\times {\mathrm{1987373}}^1$

素因数の和:1987391

約数の個数: 40

約数和(自身を含む): 3607083810

約数和(自身を除く): 2319266106

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 1987373, 3974746, 5962119, 7949492, 11924238, 15898984, 17886357, 23848476, 35772714, 47696952, 53659071, 71545428, 107318142, 143090856, 160977213, 214636284, 321954426, 429272568, 643908852, 1287817704]

約数ペア:

[(1, 1287817704), (2, 643908852), (3, 429272568), (4, 321954426), (6, 214636284), (8, 160977213), (9, 143090856), (12, 107318142), (18, 71545428), (24, 53659071), (27, 47696952), (36, 35772714), (54, 23848476), (72, 17886357), (81, 15898984), (108, 11924238), (162, 7949492), (216, 5962119), (324, 3974746), (648, 1987373)]