311402286

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{631}}^1$

素因数の和:711

約数の個数: 128

約数和(自身を含む): 806937600

約数和(自身を除く): 495535314

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 27, 37, 38, 39, 54, 57, 74, 78, 111, 114, 117, 171, 222, 234, 247, 333, 342, 351, 481, 494, 513, 631, 666, 702, 703, 741, 962, 999, 1026, 1262, 1406, 1443, 1482, 1893, 1998, 2109, 2223, 2886, 3786, 4218, 4329, 4446, 5679, 6327, 6669, 8203, 8658, 9139, 11358, 11989, 12654, 12987, 13338, 16406, 17037, 18278, 18981, 23347, 23978, 24609, 25974, 27417, 34074, 35967, 37962, 46694, 49218, 54834, 70041, 71934, 73827, 82251, 107901, 140082, 147654, 155857, 164502, 210123, 215802, 221481, 246753, 303511, 311714, 323703, 420246, 442962, 443593, 467571, 493506, 607022, 630369, 647406, 887186, 910533, 935142, 1260738, 1330779, 1402713, 1821066, 2661558, 2731599, 2805426, 3992337, 4208139, 5463198, 5766709, 7984674, 8194797, 8416278, 11533418, 11977011, 16389594, 17300127, 23954022, 34600254, 51900381, 103800762, 155701143, 311402286]

約数ペア:

[(1, 311402286), (2, 155701143), (3, 103800762), (6, 51900381), (9, 34600254), (13, 23954022), (18, 17300127), (19, 16389594), (26, 11977011), (27, 11533418), (37, 8416278), (38, 8194797), (39, 7984674), (54, 5766709), (57, 5463198), (74, 4208139), (78, 3992337), (111, 2805426), (114, 2731599), (117, 2661558), (171, 1821066), (222, 1402713), (234, 1330779), (247, 1260738), (333, 935142), (342, 910533), (351, 887186), (481, 647406), (494, 630369), (513, 607022), (631, 493506), (666, 467571), (702, 443593), (703, 442962), (741, 420246), (962, 323703), (999, 311714), (1026, 303511), (1262, 246753), (1406, 221481), (1443, 215802), (1482, 210123), (1893, 164502), (1998, 155857), (2109, 147654), (2223, 140082), (2886, 107901), (3786, 82251), (4218, 73827), (4329, 71934), (4446, 70041), (5679, 54834), (6327, 49218), (6669, 46694), (8203, 37962), (8658, 35967), (9139, 34074), (11358, 27417), (11989, 25974), (12654, 24609), (12987, 23978), (13338, 23347), (16406, 18981), (17037, 18278)]