137676890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{269}}^1$

素因数の和:447

約数の個数: 64

約数和(自身を含む): 278691840

約数和(自身を除く): 141014950

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 127, 130, 155, 254, 269, 310, 403, 538, 635, 806, 1270, 1345, 1651, 2015, 2690, 3302, 3497, 3937, 4030, 6994, 7874, 8255, 8339, 16510, 16678, 17485, 19685, 34163, 34970, 39370, 41695, 51181, 68326, 83390, 102362, 108407, 170815, 216814, 255905, 341630, 444119, 511810, 542035, 888238, 1059053, 1084070, 2118106, 2220595, 4441190, 5295265, 10590530, 13767689, 27535378, 68838445, 137676890]

約数ペア:

[(1, 137676890), (2, 68838445), (5, 27535378), (10, 13767689), (13, 10590530), (26, 5295265), (31, 4441190), (62, 2220595), (65, 2118106), (127, 1084070), (130, 1059053), (155, 888238), (254, 542035), (269, 511810), (310, 444119), (403, 341630), (538, 255905), (635, 216814), (806, 170815), (1270, 108407), (1345, 102362), (1651, 83390), (2015, 68326), (2690, 51181), (3302, 41695), (3497, 39370), (3937, 34970), (4030, 34163), (6994, 19685), (7874, 17485), (8255, 16678), (8339, 16510)]