181961808

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{2749}}^1$

素因数の和:2964

約数の個数: 80

約数和(自身を含む): 540144000

約数和(自身を除く): 358182192

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, 2749, 2758, 3152, 4137, 4728, 5498, 5516, 8247, 8274, 9456, 10996, 11032, 16494, 16548, 19243, 21992, 22064, 32988, 33096, 38486, 43984, 57729, 65976, 66192, 76972, 115458, 131952, 153944, 230916, 307888, 461832, 541553, 923664, 1083106, 1624659, 2166212, 3249318, 3790871, 4332424, 6498636, 7581742, 8664848, 11372613, 12997272, 15163484, 22745226, 25994544, 30326968, 45490452, 60653936, 90980904, 181961808]

約数ペア:

[(1, 181961808), (2, 90980904), (3, 60653936), (4, 45490452), (6, 30326968), (7, 25994544), (8, 22745226), (12, 15163484), (14, 12997272), (16, 11372613), (21, 8664848), (24, 7581742), (28, 6498636), (42, 4332424), (48, 3790871), (56, 3249318), (84, 2166212), (112, 1624659), (168, 1083106), (197, 923664), (336, 541553), (394, 461832), (591, 307888), (788, 230916), (1182, 153944), (1379, 131952), (1576, 115458), (2364, 76972), (2749, 66192), (2758, 65976), (3152, 57729), (4137, 43984), (4728, 38486), (5498, 33096), (5516, 32988), (8247, 22064), (8274, 21992), (9456, 19243), (10996, 16548), (11032, 16494)]