398834478

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{331}}^1$

素因数の和:550

約数の個数: 96

約数和(自身を含む): 1011808512

約数和(自身を除く): 612974034

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 73, 126, 131, 146, 219, 262, 331, 393, 438, 511, 657, 662, 786, 917, 993, 1022, 1179, 1314, 1533, 1834, 1986, 2317, 2358, 2751, 2979, 3066, 4599, 4634, 5502, 5958, 6951, 8253, 9198, 9563, 13902, 16506, 19126, 20853, 24163, 28689, 41706, 43361, 48326, 57378, 66941, 72489, 86067, 86722, 130083, 133882, 144978, 169141, 172134, 200823, 217467, 260166, 303527, 338282, 390249, 401646, 434934, 507423, 602469, 607054, 780498, 910581, 1014846, 1204938, 1522269, 1821162, 2731743, 3044538, 3165353, 5463486, 6330706, 9496059, 18992118, 22157471, 28488177, 44314942, 56976354, 66472413, 132944826, 199417239, 398834478]

約数ペア:

[(1, 398834478), (2, 199417239), (3, 132944826), (6, 66472413), (7, 56976354), (9, 44314942), (14, 28488177), (18, 22157471), (21, 18992118), (42, 9496059), (63, 6330706), (73, 5463486), (126, 3165353), (131, 3044538), (146, 2731743), (219, 1821162), (262, 1522269), (331, 1204938), (393, 1014846), (438, 910581), (511, 780498), (657, 607054), (662, 602469), (786, 507423), (917, 434934), (993, 401646), (1022, 390249), (1179, 338282), (1314, 303527), (1533, 260166), (1834, 217467), (1986, 200823), (2317, 172134), (2358, 169141), (2751, 144978), (2979, 133882), (3066, 130083), (4599, 86722), (4634, 86067), (5502, 72489), (5958, 66941), (6951, 57378), (8253, 48326), (9198, 43361), (9563, 41706), (13902, 28689), (16506, 24163), (19126, 20853)]