31884822

素因数分解:

$2^1\times 3^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{409}}^1$

素因数の和:549

約数の個数: 48

約数和(自身を含む): 71379360

約数和(自身を除く): 39494538

約数列:

[1, 2, 3, 6, 9, 18, 61, 71, 122, 142, 183, 213, 366, 409, 426, 549, 639, 818, 1098, 1227, 1278, 2454, 3681, 4331, 7362, 8662, 12993, 24949, 25986, 29039, 38979, 49898, 58078, 74847, 77958, 87117, 149694, 174234, 224541, 261351, 449082, 522702, 1771379, 3542758, 5314137, 10628274, 15942411, 31884822]

約数ペア:

[(1, 31884822), (2, 15942411), (3, 10628274), (6, 5314137), (9, 3542758), (18, 1771379), (61, 522702), (71, 449082), (122, 261351), (142, 224541), (183, 174234), (213, 149694), (366, 87117), (409, 77958), (426, 74847), (549, 58078), (639, 49898), (818, 38979), (1098, 29039), (1227, 25986), (1278, 24949), (2454, 12993), (3681, 8662), (4331, 7362)]