164311408

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{1289}}^1$

素因数の和:1585

約数の個数: 40

約数和(自身を含む): 330157440

約数和(自身を除く): 165846032

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 257, 496, 514, 1028, 1289, 2056, 2578, 4112, 5156, 7967, 10312, 15934, 20624, 31868, 39959, 63736, 79918, 127472, 159836, 319672, 331273, 639344, 662546, 1325092, 2650184, 5300368, 10269463, 20538926, 41077852, 82155704, 164311408]

約数ペア:

[(1, 164311408), (2, 82155704), (4, 41077852), (8, 20538926), (16, 10269463), (31, 5300368), (62, 2650184), (124, 1325092), (248, 662546), (257, 639344), (496, 331273), (514, 319672), (1028, 159836), (1289, 127472), (2056, 79918), (2578, 63736), (4112, 39959), (5156, 31868), (7967, 20624), (10312, 15934)]