12988628

素因数分解:

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

素因数の和:240

約数の個数: 48

約数和(自身を含む): 25536000

約数和(自身を除く): 12547372

約数列:

[1, 2, 4, 19, 31, 37, 38, 62, 74, 76, 124, 148, 149, 298, 589, 596, 703, 1147, 1178, 1406, 2294, 2356, 2812, 2831, 4588, 4619, 5513, 5662, 9238, 11026, 11324, 18476, 21793, 22052, 43586, 87172, 87761, 104747, 170903, 175522, 209494, 341806, 351044, 418988, 683612, 3247157, 6494314, 12988628]

約数ペア:

[(1, 12988628), (2, 6494314), (4, 3247157), (19, 683612), (31, 418988), (37, 351044), (38, 341806), (62, 209494), (74, 175522), (76, 170903), (124, 104747), (148, 87761), (149, 87172), (298, 43586), (589, 22052), (596, 21793), (703, 18476), (1147, 11324), (1178, 11026), (1406, 9238), (2294, 5662), (2356, 5513), (2812, 4619), (2831, 4588)]