1378011404

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{21407}}^1$

素因数の和:21459

約数の個数: 72

約数和(自身を含む): 3188935680

約数和(自身を除く): 1810924276

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 76, 77, 121, 133, 154, 209, 242, 266, 308, 418, 484, 532, 836, 847, 1463, 1694, 2299, 2926, 3388, 4598, 5852, 9196, 16093, 21407, 32186, 42814, 64372, 85628, 149849, 235477, 299698, 406733, 470954, 599396, 813466, 941908, 1626932, 1648339, 2590247, 2847131, 3296678, 4474063, 5180494, 5694262, 6593356, 8948126, 10360988, 11388524, 17896252, 18131729, 31318441, 36263458, 49214693, 62636882, 72526916, 98429386, 125273764, 196858772, 344502851, 689005702, 1378011404]

約数ペア:

[(1, 1378011404), (2, 689005702), (4, 344502851), (7, 196858772), (11, 125273764), (14, 98429386), (19, 72526916), (22, 62636882), (28, 49214693), (38, 36263458), (44, 31318441), (76, 18131729), (77, 17896252), (121, 11388524), (133, 10360988), (154, 8948126), (209, 6593356), (242, 5694262), (266, 5180494), (308, 4474063), (418, 3296678), (484, 2847131), (532, 2590247), (836, 1648339), (847, 1626932), (1463, 941908), (1694, 813466), (2299, 599396), (2926, 470954), (3388, 406733), (4598, 299698), (5852, 235477), (9196, 149849), (16093, 85628), (21407, 64372), (32186, 42814)]