393386945

素因数分解:

$5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{269}}^1$

素因数の和:462

約数の個数: 48

約数和(自身を含む): 567336960

約数和(自身を除く): 173950015

約数列:

[1, 5, 7, 35, 47, 49, 127, 235, 245, 269, 329, 635, 889, 1345, 1645, 1883, 2303, 4445, 5969, 6223, 9415, 11515, 12643, 13181, 29845, 31115, 34163, 41783, 63215, 65905, 88501, 170815, 208915, 239141, 292481, 442505, 619507, 1195705, 1462405, 1605661, 1673987, 3097535, 8028305, 8369935, 11239627, 56198135, 78677389, 393386945]

約数ペア:

[(1, 393386945), (5, 78677389), (7, 56198135), (35, 11239627), (47, 8369935), (49, 8028305), (127, 3097535), (235, 1673987), (245, 1605661), (269, 1462405), (329, 1195705), (635, 619507), (889, 442505), (1345, 292481), (1645, 239141), (1883, 208915), (2303, 170815), (4445, 88501), (5969, 65905), (6223, 63215), (9415, 41783), (11515, 34163), (12643, 31115), (13181, 29845)]