128550498

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{521}}^1$

素因数の和:643

約数の個数: 64

約数和(自身を含む): 284135040

約数和(自身を除く): 155584542

約数列:

[1, 2, 3, 6, 17, 34, 41, 51, 59, 82, 102, 118, 123, 177, 246, 354, 521, 697, 1003, 1042, 1394, 1563, 2006, 2091, 2419, 3009, 3126, 4182, 4838, 6018, 7257, 8857, 14514, 17714, 21361, 26571, 30739, 41123, 42722, 53142, 61478, 64083, 82246, 92217, 123369, 128166, 184434, 246738, 363137, 522563, 726274, 1045126, 1089411, 1260299, 1567689, 2178822, 2520598, 3135378, 3780897, 7561794, 21425083, 42850166, 64275249, 128550498]

約数ペア:

[(1, 128550498), (2, 64275249), (3, 42850166), (6, 21425083), (17, 7561794), (34, 3780897), (41, 3135378), (51, 2520598), (59, 2178822), (82, 1567689), (102, 1260299), (118, 1089411), (123, 1045126), (177, 726274), (246, 522563), (354, 363137), (521, 246738), (697, 184434), (1003, 128166), (1042, 123369), (1394, 92217), (1563, 82246), (2006, 64083), (2091, 61478), (2419, 53142), (3009, 42722), (3126, 41123), (4182, 30739), (4838, 26571), (6018, 21361), (7257, 17714), (8857, 14514)]