399678312

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{21323}}^1$

素因数の和:21414

約数の個数: 64

約数和(自身を含む): 1105436160

約数和(自身を除く): 705757848

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 71, 88, 132, 142, 213, 264, 284, 426, 568, 781, 852, 1562, 1704, 2343, 3124, 4686, 6248, 9372, 18744, 21323, 42646, 63969, 85292, 127938, 170584, 234553, 255876, 469106, 511752, 703659, 938212, 1407318, 1513933, 1876424, 2814636, 3027866, 4541799, 5629272, 6055732, 9083598, 12111464, 16653263, 18167196, 33306526, 36334392, 49959789, 66613052, 99919578, 133226104, 199839156, 399678312]

約数ペア:

[(1, 399678312), (2, 199839156), (3, 133226104), (4, 99919578), (6, 66613052), (8, 49959789), (11, 36334392), (12, 33306526), (22, 18167196), (24, 16653263), (33, 12111464), (44, 9083598), (66, 6055732), (71, 5629272), (88, 4541799), (132, 3027866), (142, 2814636), (213, 1876424), (264, 1513933), (284, 1407318), (426, 938212), (568, 703659), (781, 511752), (852, 469106), (1562, 255876), (1704, 234553), (2343, 170584), (3124, 127938), (4686, 85292), (6248, 63969), (9372, 42646), (18744, 21323)]