2128169764

素因数分解:

$2^2\times 7^2\times {\mathrm{181}}^1\times {\mathrm{239}}^1\times {\mathrm{251}}^1$

素因数の和:689

約数の個数: 72

約数和(自身を含む): 4391936640

約数和(自身を除く): 2263766876

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 181, 196, 239, 251, 362, 478, 502, 724, 956, 1004, 1267, 1673, 1757, 2534, 3346, 3514, 5068, 6692, 7028, 8869, 11711, 12299, 17738, 23422, 24598, 35476, 43259, 45431, 46844, 49196, 59989, 86518, 90862, 119978, 173036, 181724, 239956, 302813, 318017, 419923, 605626, 636034, 839846, 1211252, 1272068, 1679692, 2119691, 2226119, 2939461, 4239382, 4452238, 5878922, 8478764, 8904476, 10858009, 11757844, 21716018, 43432036, 76006063, 152012126, 304024252, 532042441, 1064084882, 2128169764]

約数ペア:

[(1, 2128169764), (2, 1064084882), (4, 532042441), (7, 304024252), (14, 152012126), (28, 76006063), (49, 43432036), (98, 21716018), (181, 11757844), (196, 10858009), (239, 8904476), (251, 8478764), (362, 5878922), (478, 4452238), (502, 4239382), (724, 2939461), (956, 2226119), (1004, 2119691), (1267, 1679692), (1673, 1272068), (1757, 1211252), (2534, 839846), (3346, 636034), (3514, 605626), (5068, 419923), (6692, 318017), (7028, 302813), (8869, 239956), (11711, 181724), (12299, 173036), (17738, 119978), (23422, 90862), (24598, 86518), (35476, 59989), (43259, 49196), (45431, 46844)]