81054988

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{1009}}^1$

素因数の和:1190

約数の個数: 48

約数和(自身を含む): 171942400

約数和(自身を除く): 90887412

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 151, 266, 302, 532, 604, 1009, 1057, 2018, 2114, 2869, 4036, 4228, 5738, 7063, 11476, 14126, 19171, 20083, 28252, 38342, 40166, 76684, 80332, 134197, 152359, 268394, 304718, 536788, 609436, 1066513, 2133026, 2894821, 4266052, 5789642, 11579284, 20263747, 40527494, 81054988]

約数ペア:

[(1, 81054988), (2, 40527494), (4, 20263747), (7, 11579284), (14, 5789642), (19, 4266052), (28, 2894821), (38, 2133026), (76, 1066513), (133, 609436), (151, 536788), (266, 304718), (302, 268394), (532, 152359), (604, 134197), (1009, 80332), (1057, 76684), (2018, 40166), (2114, 38342), (2869, 28252), (4036, 20083), (4228, 19171), (5738, 14126), (7063, 11476)]