17917690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{359}}^1$

素因数の和:427

約数の個数: 64

約数和(自身を含む): 39813120

約数和(自身を除く): 21895430

約数列:

[1, 2, 5, 7, 10, 14, 23, 31, 35, 46, 62, 70, 115, 155, 161, 217, 230, 310, 322, 359, 434, 713, 718, 805, 1085, 1426, 1610, 1795, 2170, 2513, 3565, 3590, 4991, 5026, 7130, 8257, 9982, 11129, 12565, 16514, 22258, 24955, 25130, 41285, 49910, 55645, 57799, 77903, 82570, 111290, 115598, 155806, 255967, 288995, 389515, 511934, 577990, 779030, 1279835, 1791769, 2559670, 3583538, 8958845, 17917690]

約数ペア:

[(1, 17917690), (2, 8958845), (5, 3583538), (7, 2559670), (10, 1791769), (14, 1279835), (23, 779030), (31, 577990), (35, 511934), (46, 389515), (62, 288995), (70, 255967), (115, 155806), (155, 115598), (161, 111290), (217, 82570), (230, 77903), (310, 57799), (322, 55645), (359, 49910), (434, 41285), (713, 25130), (718, 24955), (805, 22258), (1085, 16514), (1426, 12565), (1610, 11129), (1795, 9982), (2170, 8257), (2513, 7130), (3565, 5026), (3590, 4991)]