181209778812

素因数分解:

$2^2\times 3^2\times {\mathrm{1303}}^1\times {\mathrm{1571}}^1\times {\mathrm{2459}}^1$

素因数の和:5343

約数の個数: 72

約数和(自身を含む): 458887927680

約数和(自身を除く): 277678148868

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 1303, 1571, 2459, 2606, 3142, 3909, 4713, 4918, 5212, 6284, 7377, 7818, 9426, 9836, 11727, 14139, 14754, 15636, 18852, 22131, 23454, 28278, 29508, 44262, 46908, 56556, 88524, 2047013, 3204077, 3863089, 4094026, 6141039, 6408154, 7726178, 8188052, 9612231, 11589267, 12282078, 12816308, 15452356, 18423117, 19224462, 23178534, 24564156, 28836693, 34767801, 36846234, 38448924, 46357068, 57673386, 69535602, 73692468, 115346772, 139071204, 5033604967, 10067209934, 15100814901, 20134419868, 30201629802, 45302444703, 60403259604, 90604889406, 181209778812]

約数ペア:

[(1, 181209778812), (2, 90604889406), (3, 60403259604), (4, 45302444703), (6, 30201629802), (9, 20134419868), (12, 15100814901), (18, 10067209934), (36, 5033604967), (1303, 139071204), (1571, 115346772), (2459, 73692468), (2606, 69535602), (3142, 57673386), (3909, 46357068), (4713, 38448924), (4918, 36846234), (5212, 34767801), (6284, 28836693), (7377, 24564156), (7818, 23178534), (9426, 19224462), (9836, 18423117), (11727, 15452356), (14139, 12816308), (14754, 12282078), (15636, 11589267), (18852, 9612231), (22131, 8188052), (23454, 7726178), (28278, 6408154), (29508, 6141039), (44262, 4094026), (46908, 3863089), (56556, 3204077), (88524, 2047013)]