289640218

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{29429}}^1$

素因数の和:29494

約数の個数: 32

約数和(自身を含む): 536803200

約数和(自身を除く): 247162982

約数列:

[1, 2, 7, 14, 19, 37, 38, 74, 133, 259, 266, 518, 703, 1406, 4921, 9842, 29429, 58858, 206003, 412006, 559151, 1088873, 1118302, 2177746, 3914057, 7622111, 7828114, 15244222, 20688587, 41377174, 144820109, 289640218]

約数ペア:

[(1, 289640218), (2, 144820109), (7, 41377174), (14, 20688587), (19, 15244222), (37, 7828114), (38, 7622111), (74, 3914057), (133, 2177746), (259, 1118302), (266, 1088873), (518, 559151), (703, 412006), (1406, 206003), (4921, 58858), (9842, 29429)]