128621584

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{88339}}^1$

素因数の和:88367

約数の個数: 40

約数和(自身を含む): 306716480

約数和(自身を除く): 178094896

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 88339, 176678, 353356, 618373, 706712, 1148407, 1236746, 1413424, 2296814, 2473492, 4593628, 4946984, 8038849, 9187256, 9893968, 16077698, 18374512, 32155396, 64310792, 128621584]

約数ペア:

[(1, 128621584), (2, 64310792), (4, 32155396), (7, 18374512), (8, 16077698), (13, 9893968), (14, 9187256), (16, 8038849), (26, 4946984), (28, 4593628), (52, 2473492), (56, 2296814), (91, 1413424), (104, 1236746), (112, 1148407), (182, 706712), (208, 618373), (364, 353356), (728, 176678), (1456, 88339)]