321086688

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{257281}}^1$

素因数の和:257307

約数の個数: 48

約数和(自身を含む): 907690896

約数和(自身を除く): 586604208

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 312, 416, 624, 1248, 257281, 514562, 771843, 1029124, 1543686, 2058248, 3087372, 3344653, 4116496, 6174744, 6689306, 8232992, 10033959, 12349488, 13378612, 20067918, 24698976, 26757224, 40135836, 53514448, 80271672, 107028896, 160543344, 321086688]

約数ペア:

[(1, 321086688), (2, 160543344), (3, 107028896), (4, 80271672), (6, 53514448), (8, 40135836), (12, 26757224), (13, 24698976), (16, 20067918), (24, 13378612), (26, 12349488), (32, 10033959), (39, 8232992), (48, 6689306), (52, 6174744), (78, 4116496), (96, 3344653), (104, 3087372), (156, 2058248), (208, 1543686), (312, 1029124), (416, 771843), (624, 514562), (1248, 257281)]