28188704

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{653}}^1$

素因数の和:753

約数の個数: 48

約数和(自身を含む): 59330880

約数和(自身を除く): 31142176

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 71, 76, 142, 152, 284, 304, 568, 608, 653, 1136, 1306, 1349, 2272, 2612, 2698, 5224, 5396, 10448, 10792, 12407, 20896, 21584, 24814, 43168, 46363, 49628, 92726, 99256, 185452, 198512, 370904, 397024, 741808, 880897, 1483616, 1761794, 3523588, 7047176, 14094352, 28188704]

約数ペア:

[(1, 28188704), (2, 14094352), (4, 7047176), (8, 3523588), (16, 1761794), (19, 1483616), (32, 880897), (38, 741808), (71, 397024), (76, 370904), (142, 198512), (152, 185452), (284, 99256), (304, 92726), (568, 49628), (608, 46363), (653, 43168), (1136, 24814), (1306, 21584), (1349, 20896), (2272, 12407), (2612, 10792), (2698, 10448), (5224, 5396)]