317619211

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{179}}^1$

素因数の和:284

約数の個数: 64

約数和(自身を含む): 441262080

約数和(自身を除く): 123642869

約数列:

[1, 7, 13, 17, 31, 37, 91, 119, 179, 217, 221, 259, 403, 481, 527, 629, 1147, 1253, 1547, 2327, 2821, 3043, 3367, 3689, 4403, 5549, 6623, 6851, 8029, 8177, 14911, 16289, 19499, 21301, 38843, 39559, 46361, 47957, 57239, 72137, 86099, 94333, 104377, 112591, 136493, 205313, 253487, 276913, 504959, 602693, 660331, 788137, 1226329, 1437191, 1463683, 1774409, 2669069, 3490321, 8584303, 10245781, 18683483, 24432247, 45374173, 317619211]

約数ペア:

[(1, 317619211), (7, 45374173), (13, 24432247), (17, 18683483), (31, 10245781), (37, 8584303), (91, 3490321), (119, 2669069), (179, 1774409), (217, 1463683), (221, 1437191), (259, 1226329), (403, 788137), (481, 660331), (527, 602693), (629, 504959), (1147, 276913), (1253, 253487), (1547, 205313), (2327, 136493), (2821, 112591), (3043, 104377), (3367, 94333), (3689, 86099), (4403, 72137), (5549, 57239), (6623, 47957), (6851, 46361), (8029, 39559), (8177, 38843), (14911, 21301), (16289, 19499)]