81475446

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{349}}^1$

素因数の和:481

約数の個数: 64

約数和(自身を含む): 182750400

約数和(自身を除く): 101274954

約数列:

[1, 2, 3, 6, 13, 26, 39, 41, 73, 78, 82, 123, 146, 219, 246, 349, 438, 533, 698, 949, 1047, 1066, 1599, 1898, 2094, 2847, 2993, 3198, 4537, 5694, 5986, 8979, 9074, 13611, 14309, 17958, 25477, 27222, 28618, 38909, 42927, 50954, 76431, 77818, 85854, 116727, 152862, 186017, 233454, 331201, 372034, 558051, 662402, 993603, 1044557, 1116102, 1987206, 2089114, 3133671, 6267342, 13579241, 27158482, 40737723, 81475446]

約数ペア:

[(1, 81475446), (2, 40737723), (3, 27158482), (6, 13579241), (13, 6267342), (26, 3133671), (39, 2089114), (41, 1987206), (73, 1116102), (78, 1044557), (82, 993603), (123, 662402), (146, 558051), (219, 372034), (246, 331201), (349, 233454), (438, 186017), (533, 152862), (698, 116727), (949, 85854), (1047, 77818), (1066, 76431), (1599, 50954), (1898, 42927), (2094, 38909), (2847, 28618), (2993, 27222), (3198, 25477), (4537, 17958), (5694, 14309), (5986, 13611), (8979, 9074)]