399446736208

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{605237}}^1$

素因数の和:605444

約数の個数: 80

約数和(自身を含む): 882582261120

約数和(自身を除く): 483135524912

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 167, 208, 247, 304, 334, 494, 668, 988, 1336, 1976, 2171, 2672, 3173, 3952, 4342, 6346, 8684, 12692, 17368, 25384, 34736, 41249, 50768, 82498, 164996, 329992, 605237, 659984, 1210474, 2420948, 4841896, 7868081, 9683792, 11499503, 15736162, 22999006, 31472324, 45998012, 62944648, 91996024, 101074579, 125889296, 149493539, 183992048, 202149158, 298987078, 404298316, 597974156, 808596632, 1195948312, 1313969527, 1617193264, 1920417001, 2391896624, 2627939054, 3840834002, 5255878108, 7681668004, 10511756216, 15363336008, 21023512432, 24965421013, 30726672016, 49930842026, 99861684052, 199723368104, 399446736208]

約数ペア:

[(1, 399446736208), (2, 199723368104), (4, 99861684052), (8, 49930842026), (13, 30726672016), (16, 24965421013), (19, 21023512432), (26, 15363336008), (38, 10511756216), (52, 7681668004), (76, 5255878108), (104, 3840834002), (152, 2627939054), (167, 2391896624), (208, 1920417001), (247, 1617193264), (304, 1313969527), (334, 1195948312), (494, 808596632), (668, 597974156), (988, 404298316), (1336, 298987078), (1976, 202149158), (2171, 183992048), (2672, 149493539), (3173, 125889296), (3952, 101074579), (4342, 91996024), (6346, 62944648), (8684, 45998012), (12692, 31472324), (17368, 22999006), (25384, 15736162), (34736, 11499503), (41249, 9683792), (50768, 7868081), (82498, 4841896), (164996, 2420948), (329992, 1210474), (605237, 659984)]