31486710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{163}}^1$

素因数の和:357

約数の個数: 64

約数和(自身を含む): 78216192

約数和(自身を除く): 46729482

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 47, 94, 137, 141, 163, 235, 274, 282, 326, 411, 470, 489, 685, 705, 815, 822, 978, 1370, 1410, 1630, 2055, 2445, 4110, 4890, 6439, 7661, 12878, 15322, 19317, 22331, 22983, 32195, 38305, 38634, 44662, 45966, 64390, 66993, 76610, 96585, 111655, 114915, 133986, 193170, 223310, 229830, 334965, 669930, 1049557, 2099114, 3148671, 5247785, 6297342, 10495570, 15743355, 31486710]

約数ペア:

[(1, 31486710), (2, 15743355), (3, 10495570), (5, 6297342), (6, 5247785), (10, 3148671), (15, 2099114), (30, 1049557), (47, 669930), (94, 334965), (137, 229830), (141, 223310), (163, 193170), (235, 133986), (274, 114915), (282, 111655), (326, 96585), (411, 76610), (470, 66993), (489, 64390), (685, 45966), (705, 44662), (815, 38634), (822, 38305), (978, 32195), (1370, 22983), (1410, 22331), (1630, 19317), (2055, 15322), (2445, 12878), (4110, 7661), (4890, 6439)]