31261158

素因数分解:

$2^1\times 3^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{401}}^1$

素因数の和:541

約数の個数: 48

約数和(自身を含む): 69986592

約数和(自身を除く): 38725434

約数列:

[1, 2, 3, 6, 9, 18, 61, 71, 122, 142, 183, 213, 366, 401, 426, 549, 639, 802, 1098, 1203, 1278, 2406, 3609, 4331, 7218, 8662, 12993, 24461, 25986, 28471, 38979, 48922, 56942, 73383, 77958, 85413, 146766, 170826, 220149, 256239, 440298, 512478, 1736731, 3473462, 5210193, 10420386, 15630579, 31261158]

約数ペア:

[(1, 31261158), (2, 15630579), (3, 10420386), (6, 5210193), (9, 3473462), (18, 1736731), (61, 512478), (71, 440298), (122, 256239), (142, 220149), (183, 170826), (213, 146766), (366, 85413), (401, 77958), (426, 73383), (549, 56942), (639, 48922), (802, 38979), (1098, 28471), (1203, 25986), (1278, 24461), (2406, 12993), (3609, 8662), (4331, 7218)]