25977256

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1$

素因数の和:242

約数の個数: 64

約数和(自身を含む): 54720000

約数和(自身を除く): 28742744

約数列:

[1, 2, 4, 8, 19, 31, 37, 38, 62, 74, 76, 124, 148, 149, 152, 248, 296, 298, 589, 596, 703, 1147, 1178, 1192, 1406, 2294, 2356, 2812, 2831, 4588, 4619, 4712, 5513, 5624, 5662, 9176, 9238, 11026, 11324, 18476, 21793, 22052, 22648, 36952, 43586, 44104, 87172, 87761, 104747, 170903, 174344, 175522, 209494, 341806, 351044, 418988, 683612, 702088, 837976, 1367224, 3247157, 6494314, 12988628, 25977256]

約数ペア:

[(1, 25977256), (2, 12988628), (4, 6494314), (8, 3247157), (19, 1367224), (31, 837976), (37, 702088), (38, 683612), (62, 418988), (74, 351044), (76, 341806), (124, 209494), (148, 175522), (149, 174344), (152, 170903), (248, 104747), (296, 87761), (298, 87172), (589, 44104), (596, 43586), (703, 36952), (1147, 22648), (1178, 22052), (1192, 21793), (1406, 18476), (2294, 11324), (2356, 11026), (2812, 9238), (2831, 9176), (4588, 5662), (4619, 5624), (4712, 5513)]