28209090

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{10333}}^1$

素因数の和:10363

約数の個数: 64

約数和(自身を含む): 83333376

約数和(自身を除く): 55124286

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 130, 182, 195, 210, 273, 390, 455, 546, 910, 1365, 2730, 10333, 20666, 30999, 51665, 61998, 72331, 103330, 134329, 144662, 154995, 216993, 268658, 309990, 361655, 402987, 433986, 671645, 723310, 805974, 940303, 1084965, 1343290, 1880606, 2014935, 2169930, 2820909, 4029870, 4701515, 5641818, 9403030, 14104545, 28209090]

約数ペア:

[(1, 28209090), (2, 14104545), (3, 9403030), (5, 5641818), (6, 4701515), (7, 4029870), (10, 2820909), (13, 2169930), (14, 2014935), (15, 1880606), (21, 1343290), (26, 1084965), (30, 940303), (35, 805974), (39, 723310), (42, 671645), (65, 433986), (70, 402987), (78, 361655), (91, 309990), (105, 268658), (130, 216993), (182, 154995), (195, 144662), (210, 134329), (273, 103330), (390, 72331), (455, 61998), (546, 51665), (910, 30999), (1365, 20666), (2730, 10333)]