261259824

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{3947}}^1$

素因数の和:4162

約数の個数: 80

約数和(自身を含む): 775450368

約数和(自身を除く): 514190544

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 197, 336, 394, 591, 788, 1182, 1379, 1576, 2364, 2758, 3152, 3947, 4137, 4728, 5516, 7894, 8274, 9456, 11032, 11841, 15788, 16548, 22064, 23682, 27629, 31576, 33096, 47364, 55258, 63152, 66192, 82887, 94728, 110516, 165774, 189456, 221032, 331548, 442064, 663096, 777559, 1326192, 1555118, 2332677, 3110236, 4665354, 5442913, 6220472, 9330708, 10885826, 12440944, 16328739, 18661416, 21771652, 32657478, 37322832, 43543304, 65314956, 87086608, 130629912, 261259824]

約数ペア:

[(1, 261259824), (2, 130629912), (3, 87086608), (4, 65314956), (6, 43543304), (7, 37322832), (8, 32657478), (12, 21771652), (14, 18661416), (16, 16328739), (21, 12440944), (24, 10885826), (28, 9330708), (42, 6220472), (48, 5442913), (56, 4665354), (84, 3110236), (112, 2332677), (168, 1555118), (197, 1326192), (336, 777559), (394, 663096), (591, 442064), (788, 331548), (1182, 221032), (1379, 189456), (1576, 165774), (2364, 110516), (2758, 94728), (3152, 82887), (3947, 66192), (4137, 63152), (4728, 55258), (5516, 47364), (7894, 33096), (8274, 31576), (9456, 27629), (11032, 23682), (11841, 22064), (15788, 16548)]