331954168

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{233}}^1$

素因数の和:381

約数の個数: 128

約数和(自身を含む): 817689600

約数和(自身を除く): 485735432

約数列:

[1, 2, 4, 7, 8, 13, 14, 19, 26, 28, 38, 52, 56, 76, 91, 103, 104, 133, 152, 182, 206, 233, 247, 266, 364, 412, 466, 494, 532, 721, 728, 824, 932, 988, 1064, 1339, 1442, 1631, 1729, 1864, 1957, 1976, 2678, 2884, 3029, 3262, 3458, 3914, 4427, 5356, 5768, 6058, 6524, 6916, 7828, 8854, 9373, 10712, 12116, 13048, 13699, 13832, 15656, 17708, 18746, 21203, 23999, 24232, 25441, 27398, 30989, 35416, 37492, 42406, 47998, 50882, 54796, 57551, 61978, 74984, 84812, 95996, 101764, 109592, 115102, 123956, 167993, 169624, 178087, 191992, 203528, 230204, 247912, 311987, 335986, 356174, 402857, 455981, 460408, 623974, 671972, 712348, 805714, 911962, 1247948, 1343944, 1424696, 1611428, 1823924, 2183909, 2495896, 3191867, 3222856, 3647848, 4367818, 5927753, 6383734, 8735636, 11855506, 12767468, 17471272, 23711012, 25534936, 41494271, 47422024, 82988542, 165977084, 331954168]

約数ペア:

[(1, 331954168), (2, 165977084), (4, 82988542), (7, 47422024), (8, 41494271), (13, 25534936), (14, 23711012), (19, 17471272), (26, 12767468), (28, 11855506), (38, 8735636), (52, 6383734), (56, 5927753), (76, 4367818), (91, 3647848), (103, 3222856), (104, 3191867), (133, 2495896), (152, 2183909), (182, 1823924), (206, 1611428), (233, 1424696), (247, 1343944), (266, 1247948), (364, 911962), (412, 805714), (466, 712348), (494, 671972), (532, 623974), (721, 460408), (728, 455981), (824, 402857), (932, 356174), (988, 335986), (1064, 311987), (1339, 247912), (1442, 230204), (1631, 203528), (1729, 191992), (1864, 178087), (1957, 169624), (1976, 167993), (2678, 123956), (2884, 115102), (3029, 109592), (3262, 101764), (3458, 95996), (3914, 84812), (4427, 74984), (5356, 61978), (5768, 57551), (6058, 54796), (6524, 50882), (6916, 47998), (7828, 42406), (8854, 37492), (9373, 35416), (10712, 30989), (12116, 27398), (13048, 25441), (13699, 24232), (13832, 23999), (15656, 21203), (17708, 18746)]