2645864

素因数分解:

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

素因数の和:154

約数の個数: 48

約数和(自身を含む): 5709600

約数和(自身を除く): 3063736

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 103, 104, 152, 169, 206, 247, 338, 412, 494, 676, 824, 988, 1339, 1352, 1957, 1976, 2678, 3211, 3914, 5356, 6422, 7828, 10712, 12844, 15656, 17407, 25441, 25688, 34814, 50882, 69628, 101764, 139256, 203528, 330733, 661466, 1322932, 2645864]

約数ペア:

[(1, 2645864), (2, 1322932), (4, 661466), (8, 330733), (13, 203528), (19, 139256), (26, 101764), (38, 69628), (52, 50882), (76, 34814), (103, 25688), (104, 25441), (152, 17407), (169, 15656), (206, 12844), (247, 10712), (338, 7828), (412, 6422), (494, 5356), (676, 3914), (824, 3211), (988, 2678), (1339, 1976), (1352, 1957)]