31361408

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{401}}^1$

素因数の和:475

約数の個数: 64

約数和(自身を含む): 68886720

約数和(自身を除く): 37525312

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 47, 52, 64, 94, 104, 128, 188, 208, 376, 401, 416, 611, 752, 802, 832, 1222, 1504, 1604, 1664, 2444, 3008, 3208, 4888, 5213, 6016, 6416, 9776, 10426, 12832, 18847, 19552, 20852, 25664, 37694, 39104, 41704, 51328, 75388, 78208, 83408, 150776, 166816, 245011, 301552, 333632, 490022, 603104, 667264, 980044, 1206208, 1960088, 2412416, 3920176, 7840352, 15680704, 31361408]

約数ペア:

[(1, 31361408), (2, 15680704), (4, 7840352), (8, 3920176), (13, 2412416), (16, 1960088), (26, 1206208), (32, 980044), (47, 667264), (52, 603104), (64, 490022), (94, 333632), (104, 301552), (128, 245011), (188, 166816), (208, 150776), (376, 83408), (401, 78208), (416, 75388), (611, 51328), (752, 41704), (802, 39104), (832, 37694), (1222, 25664), (1504, 20852), (1604, 19552), (1664, 18847), (2444, 12832), (3008, 10426), (3208, 9776), (4888, 6416), (5213, 6016)]