161554510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{193}}^1$

素因数の和:397

約数の個数: 64

約数和(自身を含む): 323834112

約数和(自身を除く): 162279602

約数列:

[1, 2, 5, 10, 13, 26, 47, 65, 94, 130, 137, 193, 235, 274, 386, 470, 611, 685, 965, 1222, 1370, 1781, 1930, 2509, 3055, 3562, 5018, 6110, 6439, 8905, 9071, 12545, 12878, 17810, 18142, 25090, 26441, 32195, 45355, 52882, 64390, 83707, 90710, 117923, 132205, 167414, 235846, 264410, 343733, 418535, 589615, 687466, 837070, 1179230, 1242727, 1718665, 2485454, 3437330, 6213635, 12427270, 16155451, 32310902, 80777255, 161554510]

約数ペア:

[(1, 161554510), (2, 80777255), (5, 32310902), (10, 16155451), (13, 12427270), (26, 6213635), (47, 3437330), (65, 2485454), (94, 1718665), (130, 1242727), (137, 1179230), (193, 837070), (235, 687466), (274, 589615), (386, 418535), (470, 343733), (611, 264410), (685, 235846), (965, 167414), (1222, 132205), (1370, 117923), (1781, 90710), (1930, 83707), (2509, 64390), (3055, 52882), (3562, 45355), (5018, 32195), (6110, 26441), (6439, 25090), (8905, 18142), (9071, 17810), (12545, 12878)]