238130431

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:196

約数の個数: 64

約数和(自身を含む): 328458240

約数和(自身を除く): 90327809

約数列:

[1, 7, 11, 23, 43, 53, 59, 77, 161, 253, 301, 371, 413, 473, 583, 649, 989, 1219, 1357, 1771, 2279, 2537, 3127, 3311, 4081, 4543, 6923, 8533, 9499, 10879, 13409, 14927, 15953, 17759, 21889, 25069, 27907, 34397, 52417, 58351, 71921, 76153, 93863, 104489, 134461, 175483, 195349, 240779, 366919, 408457, 503447, 576587, 641861, 791131, 941227, 1479071, 3092603, 4036109, 4493027, 5537917, 10353497, 21648221, 34018633, 238130431]

約数ペア:

[(1, 238130431), (7, 34018633), (11, 21648221), (23, 10353497), (43, 5537917), (53, 4493027), (59, 4036109), (77, 3092603), (161, 1479071), (253, 941227), (301, 791131), (371, 641861), (413, 576587), (473, 503447), (583, 408457), (649, 366919), (989, 240779), (1219, 195349), (1357, 175483), (1771, 134461), (2279, 104489), (2537, 93863), (3127, 76153), (3311, 71921), (4081, 58351), (4543, 52417), (6923, 34397), (8533, 27907), (9499, 25069), (10879, 21889), (13409, 17759), (14927, 15953)]