66480544

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{647}}^1$

素因数の和:702

約数の個数: 72

約数和(自身を含む): 149415840

約数和(自身を除く): 82935296

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 76, 104, 152, 169, 208, 247, 304, 338, 416, 494, 608, 647, 676, 988, 1294, 1352, 1976, 2588, 2704, 3211, 3952, 5176, 5408, 6422, 7904, 8411, 10352, 12293, 12844, 16822, 20704, 24586, 25688, 33644, 49172, 51376, 67288, 98344, 102752, 109343, 134576, 159809, 196688, 218686, 269152, 319618, 393376, 437372, 639236, 874744, 1278472, 1749488, 2077517, 2556944, 3498976, 4155034, 5113888, 8310068, 16620136, 33240272, 66480544]

約数ペア:

[(1, 66480544), (2, 33240272), (4, 16620136), (8, 8310068), (13, 5113888), (16, 4155034), (19, 3498976), (26, 2556944), (32, 2077517), (38, 1749488), (52, 1278472), (76, 874744), (104, 639236), (152, 437372), (169, 393376), (208, 319618), (247, 269152), (304, 218686), (338, 196688), (416, 159809), (494, 134576), (608, 109343), (647, 102752), (676, 98344), (988, 67288), (1294, 51376), (1352, 49172), (1976, 33644), (2588, 25688), (2704, 24586), (3211, 20704), (3952, 16822), (5176, 12844), (5408, 12293), (6422, 10352), (7904, 8411)]