1228049228

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{617731}}^1$

素因数の和:617813

約数の個数: 24

約数和(自身を含む): 2490695424

約数和(自身を除く): 1262646196

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 617731, 1235462, 2470924, 4324117, 8648234, 17296468, 43858901, 87717802, 175435604, 307012307, 614024614, 1228049228]

約数ペア:

[(1, 1228049228), (2, 614024614), (4, 307012307), (7, 175435604), (14, 87717802), (28, 43858901), (71, 17296468), (142, 8648234), (284, 4324117), (497, 2470924), (994, 1235462), (1988, 617731)]