128321508

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{3907}}^1$

素因数の和:3961

約数の個数: 96

約数和(自身を含む): 378169344

約数和(自身を除く): 249847836

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 23, 28, 34, 42, 46, 51, 68, 69, 84, 92, 102, 119, 138, 161, 204, 238, 276, 322, 357, 391, 476, 483, 644, 714, 782, 966, 1173, 1428, 1564, 1932, 2346, 2737, 3907, 4692, 5474, 7814, 8211, 10948, 11721, 15628, 16422, 23442, 27349, 32844, 46884, 54698, 66419, 82047, 89861, 109396, 132838, 164094, 179722, 199257, 265676, 269583, 328188, 359444, 398514, 464933, 539166, 629027, 797028, 929866, 1078332, 1258054, 1394799, 1527637, 1859732, 1887081, 2516108, 2789598, 3055274, 3774162, 4582911, 5579196, 6110548, 7548324, 9165822, 10693459, 18331644, 21386918, 32080377, 42773836, 64160754, 128321508]

約数ペア:

[(1, 128321508), (2, 64160754), (3, 42773836), (4, 32080377), (6, 21386918), (7, 18331644), (12, 10693459), (14, 9165822), (17, 7548324), (21, 6110548), (23, 5579196), (28, 4582911), (34, 3774162), (42, 3055274), (46, 2789598), (51, 2516108), (68, 1887081), (69, 1859732), (84, 1527637), (92, 1394799), (102, 1258054), (119, 1078332), (138, 929866), (161, 797028), (204, 629027), (238, 539166), (276, 464933), (322, 398514), (357, 359444), (391, 328188), (476, 269583), (483, 265676), (644, 199257), (714, 179722), (782, 164094), (966, 132838), (1173, 109396), (1428, 89861), (1564, 82047), (1932, 66419), (2346, 54698), (2737, 46884), (3907, 32844), (4692, 27349), (5474, 23442), (7814, 16422), (8211, 15628), (10948, 11721)]