81605628

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1373}}^1$

素因数の和:1523

約数の個数: 72

約数和(自身を含む): 224060928

約数和(自身を除く): 142455300

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 127, 156, 234, 254, 381, 468, 508, 762, 1143, 1373, 1524, 1651, 2286, 2746, 3302, 4119, 4572, 4953, 5492, 6604, 8238, 9906, 12357, 14859, 16476, 17849, 19812, 24714, 29718, 35698, 49428, 53547, 59436, 71396, 107094, 160641, 174371, 214188, 321282, 348742, 523113, 642564, 697484, 1046226, 1569339, 2092452, 2266823, 3138678, 4533646, 6277356, 6800469, 9067292, 13600938, 20401407, 27201876, 40802814, 81605628]

約数ペア:

[(1, 81605628), (2, 40802814), (3, 27201876), (4, 20401407), (6, 13600938), (9, 9067292), (12, 6800469), (13, 6277356), (18, 4533646), (26, 3138678), (36, 2266823), (39, 2092452), (52, 1569339), (78, 1046226), (117, 697484), (127, 642564), (156, 523113), (234, 348742), (254, 321282), (381, 214188), (468, 174371), (508, 160641), (762, 107094), (1143, 71396), (1373, 59436), (1524, 53547), (1651, 49428), (2286, 35698), (2746, 29718), (3302, 24714), (4119, 19812), (4572, 17849), (4953, 16476), (5492, 14859), (6604, 12357), (8238, 9906)]