128671088

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1319}}^1$

素因数の和:1414

約数の個数: 80

約数和(自身を含む): 311646720

約数和(自身を除く): 182975632

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 67, 91, 104, 112, 134, 182, 208, 268, 364, 469, 536, 728, 871, 938, 1072, 1319, 1456, 1742, 1876, 2638, 3484, 3752, 5276, 6097, 6968, 7504, 9233, 10552, 12194, 13936, 17147, 18466, 21104, 24388, 34294, 36932, 48776, 68588, 73864, 88373, 97552, 120029, 137176, 147728, 176746, 240058, 274352, 353492, 480116, 618611, 706984, 960232, 1148849, 1237222, 1413968, 1920464, 2297698, 2474444, 4595396, 4948888, 8041943, 9190792, 9897776, 16083886, 18381584, 32167772, 64335544, 128671088]

約数ペア:

[(1, 128671088), (2, 64335544), (4, 32167772), (7, 18381584), (8, 16083886), (13, 9897776), (14, 9190792), (16, 8041943), (26, 4948888), (28, 4595396), (52, 2474444), (56, 2297698), (67, 1920464), (91, 1413968), (104, 1237222), (112, 1148849), (134, 960232), (182, 706984), (208, 618611), (268, 480116), (364, 353492), (469, 274352), (536, 240058), (728, 176746), (871, 147728), (938, 137176), (1072, 120029), (1319, 97552), (1456, 88373), (1742, 73864), (1876, 68588), (2638, 48776), (3484, 36932), (3752, 34294), (5276, 24388), (6097, 21104), (6968, 18466), (7504, 17147), (9233, 13936), (10552, 12194)]