388514256

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{622619}}^1$

素因数の和:622643

約数の個数: 40

約数和(自身を含む): 1080868320

約数和(自身を除く): 692354064

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 622619, 1245238, 1867857, 2490476, 3735714, 4980952, 7471428, 8094047, 9961904, 14942856, 16188094, 24282141, 29885712, 32376188, 48564282, 64752376, 97128564, 129504752, 194257128, 388514256]

約数ペア:

[(1, 388514256), (2, 194257128), (3, 129504752), (4, 97128564), (6, 64752376), (8, 48564282), (12, 32376188), (13, 29885712), (16, 24282141), (24, 16188094), (26, 14942856), (39, 9961904), (48, 8094047), (52, 7471428), (78, 4980952), (104, 3735714), (156, 2490476), (208, 1867857), (312, 1245238), (624, 622619)]