78319988210

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{431}}^1\times {\mathrm{457}}^1\times {\mathrm{2339}}^1$

素因数の和:3251

約数の個数: 64

約数和(自身を含む): 150006504960

約数和(自身を除く): 71686516750

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 431, 457, 862, 914, 2155, 2285, 2339, 4310, 4570, 4678, 7327, 7769, 11695, 14654, 15538, 23390, 36635, 38845, 39763, 73270, 77690, 79526, 196967, 198815, 393934, 397630, 984835, 1008109, 1068923, 1969670, 2016218, 2137846, 3348439, 5040545, 5344615, 6696878, 10081090, 10689230, 16742195, 17137853, 18171691, 33484390, 34275706, 36343382, 85689265, 90858455, 171378530, 181716910, 460705813, 921411626, 2303529065, 4607058130, 7831998821, 15663997642, 39159994105, 78319988210]

約数ペア:

[(1, 78319988210), (2, 39159994105), (5, 15663997642), (10, 7831998821), (17, 4607058130), (34, 2303529065), (85, 921411626), (170, 460705813), (431, 181716910), (457, 171378530), (862, 90858455), (914, 85689265), (2155, 36343382), (2285, 34275706), (2339, 33484390), (4310, 18171691), (4570, 17137853), (4678, 16742195), (7327, 10689230), (7769, 10081090), (11695, 6696878), (14654, 5344615), (15538, 5040545), (23390, 3348439), (36635, 2137846), (38845, 2016218), (39763, 1969670), (73270, 1068923), (77690, 1008109), (79526, 984835), (196967, 397630), (198815, 393934)]