1661519488

素因数分解:

$2^7\times {\mathrm{101}}^1\times {\mathrm{128521}}^1$

素因数の和:128636

約数の個数: 32

約数和(自身を含む): 3342857220

約数和(自身を除く): 1681337732

約数列:

[1, 2, 4, 8, 16, 32, 64, 101, 128, 202, 404, 808, 1616, 3232, 6464, 12928, 128521, 257042, 514084, 1028168, 2056336, 4112672, 8225344, 12980621, 16450688, 25961242, 51922484, 103844968, 207689936, 415379872, 830759744, 1661519488]

約数ペア:

[(1, 1661519488), (2, 830759744), (4, 415379872), (8, 207689936), (16, 103844968), (32, 51922484), (64, 25961242), (101, 16450688), (128, 12980621), (202, 8225344), (404, 4112672), (808, 2056336), (1616, 1028168), (3232, 514084), (6464, 257042), (12928, 128521)]