128306256

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{205619}}^1$

素因数の和:205643

約数の個数: 40

約数和(自身を含む): 356956320

約数和(自身を除く): 228650064

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 205619, 411238, 616857, 822476, 1233714, 1644952, 2467428, 2673047, 3289904, 4934856, 5346094, 8019141, 9869712, 10692188, 16038282, 21384376, 32076564, 42768752, 64153128, 128306256]

約数ペア:

[(1, 128306256), (2, 64153128), (3, 42768752), (4, 32076564), (6, 21384376), (8, 16038282), (12, 10692188), (13, 9869712), (16, 8019141), (24, 5346094), (26, 4934856), (39, 3289904), (48, 2673047), (52, 2467428), (78, 1644952), (104, 1233714), (156, 822476), (208, 616857), (312, 411238), (624, 205619)]