31493488

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{613}}^1$

素因数の和:666

約数の個数: 60

約数和(自身を含む): 69664440

約数和(自身を除く): 38170952

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 169, 208, 247, 304, 338, 494, 613, 676, 988, 1226, 1352, 1976, 2452, 2704, 3211, 3952, 4904, 6422, 7969, 9808, 11647, 12844, 15938, 23294, 25688, 31876, 46588, 51376, 63752, 93176, 103597, 127504, 151411, 186352, 207194, 302822, 414388, 605644, 828776, 1211288, 1657552, 1968343, 2422576, 3936686, 7873372, 15746744, 31493488]

約数ペア:

[(1, 31493488), (2, 15746744), (4, 7873372), (8, 3936686), (13, 2422576), (16, 1968343), (19, 1657552), (26, 1211288), (38, 828776), (52, 605644), (76, 414388), (104, 302822), (152, 207194), (169, 186352), (208, 151411), (247, 127504), (304, 103597), (338, 93176), (494, 63752), (613, 51376), (676, 46588), (988, 31876), (1226, 25688), (1352, 23294), (1976, 15938), (2452, 12844), (2704, 11647), (3211, 9808), (3952, 7969), (4904, 6422)]