821831824

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:237

約数の個数: 120

約数和(自身を含む): 1852890336

約数和(自身を除く): 1031058512

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 43, 44, 62, 86, 88, 113, 124, 172, 176, 226, 248, 341, 344, 452, 473, 496, 682, 688, 904, 946, 961, 1243, 1333, 1364, 1808, 1892, 1922, 2486, 2666, 2728, 3503, 3784, 3844, 4859, 4972, 5332, 5456, 7006, 7568, 7688, 9718, 9944, 10571, 10664, 14012, 14663, 15376, 19436, 19888, 21142, 21328, 28024, 29326, 38533, 38872, 41323, 42284, 53449, 56048, 58652, 77066, 77744, 82646, 84568, 106898, 108593, 117304, 150629, 154132, 165292, 169136, 213796, 217186, 234608, 301258, 308264, 330584, 427592, 434372, 454553, 602516, 616528, 661168, 855184, 868744, 909106, 1194523, 1205032, 1656919, 1737488, 1818212, 2389046, 2410064, 3313838, 3636424, 4669499, 4778092, 6627676, 7272848, 9338998, 9556184, 13255352, 18677996, 19112368, 26510704, 37355992, 51364489, 74711984, 102728978, 205457956, 410915912, 821831824]

約数ペア:

[(1, 821831824), (2, 410915912), (4, 205457956), (8, 102728978), (11, 74711984), (16, 51364489), (22, 37355992), (31, 26510704), (43, 19112368), (44, 18677996), (62, 13255352), (86, 9556184), (88, 9338998), (113, 7272848), (124, 6627676), (172, 4778092), (176, 4669499), (226, 3636424), (248, 3313838), (341, 2410064), (344, 2389046), (452, 1818212), (473, 1737488), (496, 1656919), (682, 1205032), (688, 1194523), (904, 909106), (946, 868744), (961, 855184), (1243, 661168), (1333, 616528), (1364, 602516), (1808, 454553), (1892, 434372), (1922, 427592), (2486, 330584), (2666, 308264), (2728, 301258), (3503, 234608), (3784, 217186), (3844, 213796), (4859, 169136), (4972, 165292), (5332, 154132), (5456, 150629), (7006, 117304), (7568, 108593), (7688, 106898), (9718, 84568), (9944, 82646), (10571, 77744), (10664, 77066), (14012, 58652), (14663, 56048), (15376, 53449), (19436, 42284), (19888, 41323), (21142, 38872), (21328, 38533), (28024, 29326)]