321998712

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{499}}^1$

素因数の和:705

約数の個数: 128

約数和(自身を含む): 967680000

約数和(自身を除く): 645681288

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 23, 24, 28, 42, 46, 56, 69, 84, 92, 138, 161, 167, 168, 184, 276, 322, 334, 483, 499, 501, 552, 644, 668, 966, 998, 1002, 1169, 1288, 1336, 1497, 1932, 1996, 2004, 2338, 2994, 3493, 3507, 3841, 3864, 3992, 4008, 4676, 5988, 6986, 7014, 7682, 9352, 10479, 11477, 11523, 11976, 13972, 14028, 15364, 20958, 22954, 23046, 26887, 27944, 28056, 30728, 34431, 41916, 45908, 46092, 53774, 68862, 80339, 80661, 83333, 83832, 91816, 92184, 107548, 137724, 160678, 161322, 166666, 215096, 241017, 249999, 275448, 321356, 322644, 333332, 482034, 499998, 583331, 642712, 645288, 666664, 964068, 999996, 1166662, 1749993, 1916659, 1928136, 1999992, 2333324, 3499986, 3833318, 4666648, 5749977, 6999972, 7666636, 11499954, 13416613, 13999944, 15333272, 22999908, 26833226, 40249839, 45999816, 53666452, 80499678, 107332904, 160999356, 321998712]

約数ペア:

[(1, 321998712), (2, 160999356), (3, 107332904), (4, 80499678), (6, 53666452), (7, 45999816), (8, 40249839), (12, 26833226), (14, 22999908), (21, 15333272), (23, 13999944), (24, 13416613), (28, 11499954), (42, 7666636), (46, 6999972), (56, 5749977), (69, 4666648), (84, 3833318), (92, 3499986), (138, 2333324), (161, 1999992), (167, 1928136), (168, 1916659), (184, 1749993), (276, 1166662), (322, 999996), (334, 964068), (483, 666664), (499, 645288), (501, 642712), (552, 583331), (644, 499998), (668, 482034), (966, 333332), (998, 322644), (1002, 321356), (1169, 275448), (1288, 249999), (1336, 241017), (1497, 215096), (1932, 166666), (1996, 161322), (2004, 160678), (2338, 137724), (2994, 107548), (3493, 92184), (3507, 91816), (3841, 83832), (3864, 83333), (3992, 80661), (4008, 80339), (4676, 68862), (5988, 53774), (6986, 46092), (7014, 45908), (7682, 41916), (9352, 34431), (10479, 30728), (11477, 28056), (11523, 27944), (11976, 26887), (13972, 23046), (14028, 22954), (15364, 20958)]