128157588

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{1091}}^1$

素因数の和:1365

約数の個数: 72

約数和(自身を含む): 350584416

約数和(自身を除く): 222426828

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 251, 468, 502, 753, 1004, 1091, 1506, 2182, 2259, 3012, 3263, 3273, 4364, 4518, 6526, 6546, 9036, 9789, 9819, 13052, 13092, 14183, 19578, 19638, 28366, 29367, 39156, 39276, 42549, 56732, 58734, 85098, 117468, 127647, 170196, 255294, 273841, 510588, 547682, 821523, 1095364, 1643046, 2464569, 3286092, 3559933, 4929138, 7119866, 9858276, 10679799, 14239732, 21359598, 32039397, 42719196, 64078794, 128157588]

約数ペア:

[(1, 128157588), (2, 64078794), (3, 42719196), (4, 32039397), (6, 21359598), (9, 14239732), (12, 10679799), (13, 9858276), (18, 7119866), (26, 4929138), (36, 3559933), (39, 3286092), (52, 2464569), (78, 1643046), (117, 1095364), (156, 821523), (234, 547682), (251, 510588), (468, 273841), (502, 255294), (753, 170196), (1004, 127647), (1091, 117468), (1506, 85098), (2182, 58734), (2259, 56732), (3012, 42549), (3263, 39276), (3273, 39156), (4364, 29367), (4518, 28366), (6526, 19638), (6546, 19578), (9036, 14183), (9789, 13092), (9819, 13052)]