31126784

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1$

素因数の和:275

約数の個数: 72

約数和(自身を含む): 68678400

約数和(自身を除く): 37551616

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 47, 52, 64, 94, 104, 128, 188, 199, 208, 256, 376, 398, 416, 611, 752, 796, 832, 1222, 1504, 1592, 1664, 2444, 2587, 3008, 3184, 3328, 4888, 5174, 6016, 6368, 9353, 9776, 10348, 12032, 12736, 18706, 19552, 20696, 25472, 37412, 39104, 41392, 50944, 74824, 78208, 82784, 121589, 149648, 156416, 165568, 243178, 299296, 331136, 486356, 598592, 662272, 972712, 1197184, 1945424, 2394368, 3890848, 7781696, 15563392, 31126784]

約数ペア:

[(1, 31126784), (2, 15563392), (4, 7781696), (8, 3890848), (13, 2394368), (16, 1945424), (26, 1197184), (32, 972712), (47, 662272), (52, 598592), (64, 486356), (94, 331136), (104, 299296), (128, 243178), (188, 165568), (199, 156416), (208, 149648), (256, 121589), (376, 82784), (398, 78208), (416, 74824), (611, 50944), (752, 41392), (796, 39104), (832, 37412), (1222, 25472), (1504, 20696), (1592, 19552), (1664, 18706), (2444, 12736), (2587, 12032), (3008, 10348), (3184, 9776), (3328, 9353), (4888, 6368), (5174, 6016)]