639736042

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{109}}^1\times {\mathrm{739}}^1$

素因数の和:899

約数の個数: 48

約数和(自身を含む): 1116482400

約数和(自身を除く): 476746358

約数列:

[1, 2, 11, 19, 22, 38, 109, 209, 218, 361, 418, 722, 739, 1199, 1478, 2071, 2398, 3971, 4142, 7942, 8129, 14041, 16258, 22781, 28082, 39349, 45562, 78698, 80551, 154451, 161102, 266779, 308902, 432839, 533558, 865678, 886061, 1530469, 1772122, 2934569, 3060938, 5869138, 16835159, 29078911, 33670318, 58157822, 319868021, 639736042]

約数ペア:

[(1, 639736042), (2, 319868021), (11, 58157822), (19, 33670318), (22, 29078911), (38, 16835159), (109, 5869138), (209, 3060938), (218, 2934569), (361, 1772122), (418, 1530469), (722, 886061), (739, 865678), (1199, 533558), (1478, 432839), (2071, 308902), (2398, 266779), (3971, 161102), (4142, 154451), (7942, 80551), (8129, 78698), (14041, 45562), (16258, 39349), (22781, 28082)]