311958684

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{2281}}^1$

素因数の和:2451

約数の個数: 72

約数和(自身を含む): 822341520

約数和(自身を除く): 510382836

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 131, 174, 261, 262, 348, 393, 522, 524, 786, 1044, 1179, 1572, 2281, 2358, 3799, 4562, 4716, 6843, 7598, 9124, 11397, 13686, 15196, 20529, 22794, 27372, 34191, 41058, 45588, 66149, 68382, 82116, 132298, 136764, 198447, 264596, 298811, 396894, 595341, 597622, 793788, 896433, 1190682, 1195244, 1792866, 2381364, 2689299, 3585732, 5378598, 8665519, 10757196, 17331038, 25996557, 34662076, 51993114, 77989671, 103986228, 155979342, 311958684]

約数ペア:

[(1, 311958684), (2, 155979342), (3, 103986228), (4, 77989671), (6, 51993114), (9, 34662076), (12, 25996557), (18, 17331038), (29, 10757196), (36, 8665519), (58, 5378598), (87, 3585732), (116, 2689299), (131, 2381364), (174, 1792866), (261, 1195244), (262, 1190682), (348, 896433), (393, 793788), (522, 597622), (524, 595341), (786, 396894), (1044, 298811), (1179, 264596), (1572, 198447), (2281, 136764), (2358, 132298), (3799, 82116), (4562, 68382), (4716, 66149), (6843, 45588), (7598, 41058), (9124, 34191), (11397, 27372), (13686, 22794), (15196, 20529)]