1279156912

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{2137}}^1$

素因数の和:2354

約数の個数: 80

約数和(自身を含む): 2863209600

約数和(自身を除く): 1584052688

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 179, 209, 304, 358, 418, 716, 836, 1432, 1672, 1969, 2137, 2864, 3344, 3401, 3938, 4274, 6802, 7876, 8548, 13604, 15752, 17096, 23507, 27208, 31504, 34192, 37411, 40603, 47014, 54416, 74822, 81206, 94028, 149644, 162412, 188056, 299288, 324824, 376112, 382523, 446633, 598576, 649648, 765046, 893266, 1530092, 1786532, 3060184, 3573064, 4207753, 6120368, 7146128, 7267937, 8415506, 14535874, 16831012, 29071748, 33662024, 58143496, 67324048, 79947307, 116286992, 159894614, 319789228, 639578456, 1279156912]

約数ペア:

[(1, 1279156912), (2, 639578456), (4, 319789228), (8, 159894614), (11, 116286992), (16, 79947307), (19, 67324048), (22, 58143496), (38, 33662024), (44, 29071748), (76, 16831012), (88, 14535874), (152, 8415506), (176, 7267937), (179, 7146128), (209, 6120368), (304, 4207753), (358, 3573064), (418, 3060184), (716, 1786532), (836, 1530092), (1432, 893266), (1672, 765046), (1969, 649648), (2137, 598576), (2864, 446633), (3344, 382523), (3401, 376112), (3938, 324824), (4274, 299288), (6802, 188056), (7876, 162412), (8548, 149644), (13604, 94028), (15752, 81206), (17096, 74822), (23507, 54416), (27208, 47014), (31504, 40603), (34192, 37411)]