161518742

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1471}}^1$

素因数の和:1545

約数の個数: 64

約数和(自身を含む): 325582848

約数和(自身を除く): 164064106

約数列:

[1, 2, 7, 11, 14, 22, 23, 31, 46, 62, 77, 154, 161, 217, 253, 322, 341, 434, 506, 682, 713, 1426, 1471, 1771, 2387, 2942, 3542, 4774, 4991, 7843, 9982, 10297, 15686, 16181, 20594, 32362, 33833, 45601, 54901, 67666, 91202, 109802, 113267, 226534, 236831, 319207, 372163, 473662, 501611, 638414, 744326, 1003222, 1048823, 2097646, 2605141, 3511277, 5210282, 7022554, 7341761, 11537053, 14683522, 23074106, 80759371, 161518742]

約数ペア:

[(1, 161518742), (2, 80759371), (7, 23074106), (11, 14683522), (14, 11537053), (22, 7341761), (23, 7022554), (31, 5210282), (46, 3511277), (62, 2605141), (77, 2097646), (154, 1048823), (161, 1003222), (217, 744326), (253, 638414), (322, 501611), (341, 473662), (434, 372163), (506, 319207), (682, 236831), (713, 226534), (1426, 113267), (1471, 109802), (1771, 91202), (2387, 67666), (2942, 54901), (3542, 45601), (4774, 33833), (4991, 32362), (7843, 20594), (9982, 16181), (10297, 15686)]