131031234

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{43}}^2\times {\mathrm{127}}^1$

素因数の和:252

約数の個数: 72

約数和(自身を含む): 302395392

約数和(自身を除く): 171364158

約数列:

[1, 2, 3, 6, 9, 18, 31, 43, 62, 86, 93, 127, 129, 186, 254, 258, 279, 381, 387, 558, 762, 774, 1143, 1333, 1849, 2286, 2666, 3698, 3937, 3999, 5461, 5547, 7874, 7998, 10922, 11094, 11811, 11997, 16383, 16641, 23622, 23994, 32766, 33282, 35433, 49149, 57319, 70866, 98298, 114638, 169291, 171957, 234823, 338582, 343914, 469646, 507873, 515871, 704469, 1015746, 1031742, 1408938, 1523619, 2113407, 3047238, 4226814, 7279513, 14559026, 21838539, 43677078, 65515617, 131031234]

約数ペア:

[(1, 131031234), (2, 65515617), (3, 43677078), (6, 21838539), (9, 14559026), (18, 7279513), (31, 4226814), (43, 3047238), (62, 2113407), (86, 1523619), (93, 1408938), (127, 1031742), (129, 1015746), (186, 704469), (254, 515871), (258, 507873), (279, 469646), (381, 343914), (387, 338582), (558, 234823), (762, 171957), (774, 169291), (1143, 114638), (1333, 98298), (1849, 70866), (2286, 57319), (2666, 49149), (3698, 35433), (3937, 33282), (3999, 32766), (5461, 23994), (5547, 23622), (7874, 16641), (7998, 16383), (10922, 11997), (11094, 11811)]