28468404

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{257}}^1$

素因数の和:465

約数の個数: 72

約数和(自身を含む): 76913928

約数和(自身を除く): 48445524

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 181, 204, 257, 306, 362, 514, 543, 612, 724, 771, 1028, 1086, 1542, 1629, 2172, 2313, 3077, 3084, 3258, 4369, 4626, 6154, 6516, 8738, 9231, 9252, 12308, 13107, 17476, 18462, 26214, 27693, 36924, 39321, 46517, 52428, 55386, 78642, 93034, 110772, 139551, 157284, 186068, 279102, 418653, 558204, 790789, 837306, 1581578, 1674612, 2372367, 3163156, 4744734, 7117101, 9489468, 14234202, 28468404]

約数ペア:

[(1, 28468404), (2, 14234202), (3, 9489468), (4, 7117101), (6, 4744734), (9, 3163156), (12, 2372367), (17, 1674612), (18, 1581578), (34, 837306), (36, 790789), (51, 558204), (68, 418653), (102, 279102), (153, 186068), (181, 157284), (204, 139551), (257, 110772), (306, 93034), (362, 78642), (514, 55386), (543, 52428), (612, 46517), (724, 39321), (771, 36924), (1028, 27693), (1086, 26214), (1542, 18462), (1629, 17476), (2172, 13107), (2313, 12308), (3077, 9252), (3084, 9231), (3258, 8738), (4369, 6516), (4626, 6154)]