15747516

素因数分解:

$2^2\times 3^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:243

約数の個数: 72

約数和(自身を含む): 41434848

約数和(自身を除く): 25687332

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 61, 71, 101, 122, 142, 183, 202, 213, 244, 284, 303, 366, 404, 426, 549, 606, 639, 732, 852, 909, 1098, 1212, 1278, 1818, 2196, 2556, 3636, 4331, 6161, 7171, 8662, 12322, 12993, 14342, 17324, 18483, 21513, 24644, 25986, 28684, 36966, 38979, 43026, 51972, 55449, 64539, 73932, 77958, 86052, 110898, 129078, 155916, 221796, 258156, 437431, 874862, 1312293, 1749724, 2624586, 3936879, 5249172, 7873758, 15747516]

約数ペア:

[(1, 15747516), (2, 7873758), (3, 5249172), (4, 3936879), (6, 2624586), (9, 1749724), (12, 1312293), (18, 874862), (36, 437431), (61, 258156), (71, 221796), (101, 155916), (122, 129078), (142, 110898), (183, 86052), (202, 77958), (213, 73932), (244, 64539), (284, 55449), (303, 51972), (366, 43026), (404, 38979), (426, 36966), (549, 28684), (606, 25986), (639, 24644), (732, 21513), (852, 18483), (909, 17324), (1098, 14342), (1212, 12993), (1278, 12322), (1818, 8662), (2196, 7171), (2556, 6161), (3636, 4331)]