31499392

素因数分解:

$2^7\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1$

素因数の和:213

約数の個数: 64

約数和(自身を含む): 65973600

約数和(自身を除く): 34474208

約数列:

[1, 2, 4, 8, 16, 32, 43, 59, 64, 86, 97, 118, 128, 172, 194, 236, 344, 388, 472, 688, 776, 944, 1376, 1552, 1888, 2537, 2752, 3104, 3776, 4171, 5074, 5504, 5723, 6208, 7552, 8342, 10148, 11446, 12416, 16684, 20296, 22892, 33368, 40592, 45784, 66736, 81184, 91568, 133472, 162368, 183136, 246089, 266944, 324736, 366272, 492178, 533888, 732544, 984356, 1968712, 3937424, 7874848, 15749696, 31499392]

約数ペア:

[(1, 31499392), (2, 15749696), (4, 7874848), (8, 3937424), (16, 1968712), (32, 984356), (43, 732544), (59, 533888), (64, 492178), (86, 366272), (97, 324736), (118, 266944), (128, 246089), (172, 183136), (194, 162368), (236, 133472), (344, 91568), (388, 81184), (472, 66736), (688, 45784), (776, 40592), (944, 33368), (1376, 22892), (1552, 20296), (1888, 16684), (2537, 12416), (2752, 11446), (3104, 10148), (3776, 8342), (4171, 7552), (5074, 6208), (5504, 5723)]