78812209

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1$

素因数の和:313

約数の個数: 32

約数和(自身を含む): 98784000

約数和(自身を除く): 19971791

約数列:

[1, 7, 19, 41, 97, 133, 149, 287, 679, 779, 1043, 1843, 2831, 3977, 5453, 6109, 12901, 14453, 19817, 27839, 42763, 75563, 101171, 116071, 274607, 528941, 592573, 812497, 1922249, 4148011, 11258887, 78812209]

約数ペア:

[(1, 78812209), (7, 11258887), (19, 4148011), (41, 1922249), (97, 812497), (133, 592573), (149, 528941), (287, 274607), (679, 116071), (779, 101171), (1043, 75563), (1843, 42763), (2831, 27839), (3977, 19817), (5453, 14453), (6109, 12901)]