28778882

素因数分解:

$2^1\times {\mathrm{11}}^3\times {\mathrm{19}}^1\times {\mathrm{569}}^1$

素因数の和:623

約数の個数: 32

約数和(自身を含む): 50068800

約数和(自身を除く): 21289918

約数列:

[1, 2, 11, 19, 22, 38, 121, 209, 242, 418, 569, 1138, 1331, 2299, 2662, 4598, 6259, 10811, 12518, 21622, 25289, 50578, 68849, 118921, 137698, 237842, 757339, 1308131, 1514678, 2616262, 14389441, 28778882]

約数ペア:

[(1, 28778882), (2, 14389441), (11, 2616262), (19, 1514678), (22, 1308131), (38, 757339), (121, 237842), (209, 137698), (242, 118921), (418, 68849), (569, 50578), (1138, 25289), (1331, 21622), (2299, 12518), (2662, 10811), (4598, 6259)]