418392208

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{691}}^1$

素因数の和:824

約数の個数: 80

約数和(自身を含む): 908191872

約数和(自身を除く): 489799664

約数列:

[1, 2, 4, 8, 13, 16, 26, 41, 52, 71, 82, 104, 142, 164, 208, 284, 328, 533, 568, 656, 691, 923, 1066, 1136, 1382, 1846, 2132, 2764, 2911, 3692, 4264, 5528, 5822, 7384, 8528, 8983, 11056, 11644, 14768, 17966, 23288, 28331, 35932, 37843, 46576, 49061, 56662, 71864, 75686, 98122, 113324, 143728, 151372, 196244, 226648, 302744, 368303, 392488, 453296, 605488, 637793, 736606, 784976, 1275586, 1473212, 2011501, 2551172, 2946424, 4023002, 5102344, 5892848, 8046004, 10204688, 16092008, 26149513, 32184016, 52299026, 104598052, 209196104, 418392208]

約数ペア:

[(1, 418392208), (2, 209196104), (4, 104598052), (8, 52299026), (13, 32184016), (16, 26149513), (26, 16092008), (41, 10204688), (52, 8046004), (71, 5892848), (82, 5102344), (104, 4023002), (142, 2946424), (164, 2551172), (208, 2011501), (284, 1473212), (328, 1275586), (533, 784976), (568, 736606), (656, 637793), (691, 605488), (923, 453296), (1066, 392488), (1136, 368303), (1382, 302744), (1846, 226648), (2132, 196244), (2764, 151372), (2911, 143728), (3692, 113324), (4264, 98122), (5528, 75686), (5822, 71864), (7384, 56662), (8528, 49061), (8983, 46576), (11056, 37843), (11644, 35932), (14768, 28331), (17966, 23288)]