81723972

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{577}}^1$

素因数の和:661

約数の個数: 96

約数和(自身を含む): 221397120

約数和(自身を除く): 139673148

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 29, 33, 37, 44, 58, 66, 74, 87, 111, 116, 132, 148, 174, 222, 319, 348, 407, 444, 577, 638, 814, 957, 1073, 1154, 1221, 1276, 1628, 1731, 1914, 2146, 2308, 2442, 3219, 3462, 3828, 4292, 4884, 6347, 6438, 6924, 11803, 12694, 12876, 16733, 19041, 21349, 23606, 25388, 33466, 35409, 38082, 42698, 47212, 50199, 64047, 66932, 70818, 76164, 85396, 100398, 128094, 141636, 184063, 200796, 234839, 256188, 368126, 469678, 552189, 619121, 704517, 736252, 939356, 1104378, 1238242, 1409034, 1857363, 2208756, 2476484, 2818068, 3714726, 6810331, 7429452, 13620662, 20430993, 27241324, 40861986, 81723972]

約数ペア:

[(1, 81723972), (2, 40861986), (3, 27241324), (4, 20430993), (6, 13620662), (11, 7429452), (12, 6810331), (22, 3714726), (29, 2818068), (33, 2476484), (37, 2208756), (44, 1857363), (58, 1409034), (66, 1238242), (74, 1104378), (87, 939356), (111, 736252), (116, 704517), (132, 619121), (148, 552189), (174, 469678), (222, 368126), (319, 256188), (348, 234839), (407, 200796), (444, 184063), (577, 141636), (638, 128094), (814, 100398), (957, 85396), (1073, 76164), (1154, 70818), (1221, 66932), (1276, 64047), (1628, 50199), (1731, 47212), (1914, 42698), (2146, 38082), (2308, 35409), (2442, 33466), (3219, 25388), (3462, 23606), (3828, 21349), (4292, 19041), (4884, 16733), (6347, 12876), (6438, 12694), (6924, 11803)]