16816216

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{317}}^1\times {\mathrm{349}}^1$

素因数の和:691

約数の個数: 32

約数和(自身を含む): 33390000

約数和(自身を除く): 16573784

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 317, 349, 634, 698, 1268, 1396, 2536, 2792, 6023, 6631, 12046, 13262, 24092, 26524, 48184, 53048, 110633, 221266, 442532, 885064, 2102027, 4204054, 8408108, 16816216]

約数ペア:

[(1, 16816216), (2, 8408108), (4, 4204054), (8, 2102027), (19, 885064), (38, 442532), (76, 221266), (152, 110633), (317, 53048), (349, 48184), (634, 26524), (698, 24092), (1268, 13262), (1396, 12046), (2536, 6631), (2792, 6023)]