31131006

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{383}}^1$

素因数の和:461

約数の個数: 64

約数和(自身を含む): 70778880

約数和(自身を除く): 39647874

約数列:

[1, 2, 3, 6, 19, 23, 31, 38, 46, 57, 62, 69, 93, 114, 138, 186, 383, 437, 589, 713, 766, 874, 1149, 1178, 1311, 1426, 1767, 2139, 2298, 2622, 3534, 4278, 7277, 8809, 11873, 13547, 14554, 17618, 21831, 23746, 26427, 27094, 35619, 40641, 43662, 52854, 71238, 81282, 167371, 225587, 273079, 334742, 451174, 502113, 546158, 676761, 819237, 1004226, 1353522, 1638474, 5188501, 10377002, 15565503, 31131006]

約数ペア:

[(1, 31131006), (2, 15565503), (3, 10377002), (6, 5188501), (19, 1638474), (23, 1353522), (31, 1004226), (38, 819237), (46, 676761), (57, 546158), (62, 502113), (69, 451174), (93, 334742), (114, 273079), (138, 225587), (186, 167371), (383, 81282), (437, 71238), (589, 52854), (713, 43662), (766, 40641), (874, 35619), (1149, 27094), (1178, 26427), (1311, 23746), (1426, 21831), (1767, 17618), (2139, 14554), (2298, 13547), (2622, 11873), (3534, 8809), (4278, 7277)]