291214672

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{136849}}^1$

素因数の和:136883

約数の個数: 40

約数和(自身を含む): 678776000

約数和(自身を除く): 387561328

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 136849, 273698, 547396, 957943, 1094792, 1915886, 2189584, 2600131, 3831772, 5200262, 7663544, 10400524, 15327088, 18200917, 20801048, 36401834, 41602096, 72803668, 145607336, 291214672]

約数ペア:

[(1, 291214672), (2, 145607336), (4, 72803668), (7, 41602096), (8, 36401834), (14, 20801048), (16, 18200917), (19, 15327088), (28, 10400524), (38, 7663544), (56, 5200262), (76, 3831772), (112, 2600131), (133, 2189584), (152, 1915886), (266, 1094792), (304, 957943), (532, 547396), (1064, 273698), (2128, 136849)]