338331404

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{1523}}^1$

素因数の和:1662

約数の個数: 48

約数和(自身を含む): 648614400

約数和(自身を除く): 310282996

約数列:

[1, 2, 4, 19, 37, 38, 74, 76, 79, 148, 158, 316, 703, 1406, 1501, 1523, 2812, 2923, 3002, 3046, 5846, 6004, 6092, 11692, 28937, 55537, 56351, 57874, 111074, 112702, 115748, 120317, 222148, 225404, 240634, 481268, 1070669, 2141338, 2286023, 4282676, 4451729, 4572046, 8903458, 9144092, 17806916, 84582851, 169165702, 338331404]

約数ペア:

[(1, 338331404), (2, 169165702), (4, 84582851), (19, 17806916), (37, 9144092), (38, 8903458), (74, 4572046), (76, 4451729), (79, 4282676), (148, 2286023), (158, 2141338), (316, 1070669), (703, 481268), (1406, 240634), (1501, 225404), (1523, 222148), (2812, 120317), (2923, 115748), (3002, 112702), (3046, 111074), (5846, 57874), (6004, 56351), (6092, 55537), (11692, 28937)]