28281430

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{653}}^1$

素因数の和:792

約数の個数: 32

約数和(自身を含む): 52550208

約数和(自身を除く): 24268778

約数列:

[1, 2, 5, 10, 61, 71, 122, 142, 305, 355, 610, 653, 710, 1306, 3265, 4331, 6530, 8662, 21655, 39833, 43310, 46363, 79666, 92726, 199165, 231815, 398330, 463630, 2828143, 5656286, 14140715, 28281430]

約数ペア:

[(1, 28281430), (2, 14140715), (5, 5656286), (10, 2828143), (61, 463630), (71, 398330), (122, 231815), (142, 199165), (305, 92726), (355, 79666), (610, 46363), (653, 43310), (710, 39833), (1306, 21655), (3265, 8662), (4331, 6530)]