643446648

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{687443}}^1$

素因数の和:687468

約数の個数: 48

約数和(自身を含む): 1876722120

約数和(自身を除く): 1233275472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 687443, 1374886, 2062329, 2749772, 4124658, 5499544, 6186987, 8249316, 8936759, 12373974, 16498632, 17873518, 24747948, 26810277, 35747036, 49495896, 53620554, 71494072, 80430831, 107241108, 160861662, 214482216, 321723324, 643446648]

約数ペア:

[(1, 643446648), (2, 321723324), (3, 214482216), (4, 160861662), (6, 107241108), (8, 80430831), (9, 71494072), (12, 53620554), (13, 49495896), (18, 35747036), (24, 26810277), (26, 24747948), (36, 17873518), (39, 16498632), (52, 12373974), (72, 8936759), (78, 8249316), (104, 6186987), (117, 5499544), (156, 4124658), (234, 2749772), (312, 2062329), (468, 1374886), (936, 687443)]