164043568

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:187

約数の個数: 120

約数和(自身を含む): 377594880

約数和(自身を除く): 213551312

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 31, 38, 52, 62, 76, 103, 104, 124, 152, 169, 206, 208, 247, 248, 304, 338, 403, 412, 494, 496, 589, 676, 806, 824, 988, 1178, 1339, 1352, 1612, 1648, 1957, 1976, 2356, 2678, 2704, 3193, 3211, 3224, 3914, 3952, 4712, 5239, 5356, 6386, 6422, 6448, 7657, 7828, 9424, 10478, 10712, 12772, 12844, 15314, 15656, 17407, 20956, 21424, 25441, 25544, 25688, 30628, 31312, 34814, 41509, 41912, 50882, 51088, 51376, 60667, 61256, 69628, 83018, 83824, 99541, 101764, 121334, 122512, 139256, 166036, 199082, 203528, 242668, 278512, 330733, 332072, 398164, 407056, 485336, 539617, 661466, 664144, 788671, 796328, 970672, 1079234, 1322932, 1577342, 1592656, 2158468, 2645864, 3154684, 4316936, 5291728, 6309368, 8633872, 10252723, 12618736, 20505446, 41010892, 82021784, 164043568]

約数ペア:

[(1, 164043568), (2, 82021784), (4, 41010892), (8, 20505446), (13, 12618736), (16, 10252723), (19, 8633872), (26, 6309368), (31, 5291728), (38, 4316936), (52, 3154684), (62, 2645864), (76, 2158468), (103, 1592656), (104, 1577342), (124, 1322932), (152, 1079234), (169, 970672), (206, 796328), (208, 788671), (247, 664144), (248, 661466), (304, 539617), (338, 485336), (403, 407056), (412, 398164), (494, 332072), (496, 330733), (589, 278512), (676, 242668), (806, 203528), (824, 199082), (988, 166036), (1178, 139256), (1339, 122512), (1352, 121334), (1612, 101764), (1648, 99541), (1957, 83824), (1976, 83018), (2356, 69628), (2678, 61256), (2704, 60667), (3193, 51376), (3211, 51088), (3224, 50882), (3914, 41912), (3952, 41509), (4712, 34814), (5239, 31312), (5356, 30628), (6386, 25688), (6422, 25544), (6448, 25441), (7657, 21424), (7828, 20956), (9424, 17407), (10478, 15656), (10712, 15314), (12772, 12844)]