807777172

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{307}}^1\times {\mathrm{389}}^1$

素因数の和:808

約数の個数: 48

約数和(自身を含む): 1513512000

約数和(自身を除く): 705734828

約数列:

[1, 2, 4, 19, 38, 76, 89, 178, 307, 356, 389, 614, 778, 1228, 1556, 1691, 3382, 5833, 6764, 7391, 11666, 14782, 23332, 27323, 29564, 34621, 54646, 69242, 109292, 119423, 138484, 238846, 477692, 519137, 657799, 1038274, 1315598, 2076548, 2269037, 2631196, 4538074, 9076148, 10628647, 21257294, 42514588, 201944293, 403888586, 807777172]

約数ペア:

[(1, 807777172), (2, 403888586), (4, 201944293), (19, 42514588), (38, 21257294), (76, 10628647), (89, 9076148), (178, 4538074), (307, 2631196), (356, 2269037), (389, 2076548), (614, 1315598), (778, 1038274), (1228, 657799), (1556, 519137), (1691, 477692), (3382, 238846), (5833, 138484), (6764, 119423), (7391, 109292), (11666, 69242), (14782, 54646), (23332, 34621), (27323, 29564)]