243740844

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{431}}^1\times {\mathrm{683}}^1$

素因数の和:1147

約数の個数: 72

約数和(自身を含む): 645345792

約数和(自身を除く): 401604948

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 414, 431, 683, 828, 862, 1293, 1366, 1724, 2049, 2586, 2732, 3879, 4098, 5172, 6147, 7758, 8196, 9913, 12294, 15516, 15709, 19826, 24588, 29739, 31418, 39652, 47127, 59478, 62836, 89217, 94254, 118956, 141381, 178434, 188508, 282762, 294373, 356868, 565524, 588746, 883119, 1177492, 1766238, 2649357, 3532476, 5298714, 6770579, 10597428, 13541158, 20311737, 27082316, 40623474, 60935211, 81246948, 121870422, 243740844]

約数ペア:

[(1, 243740844), (2, 121870422), (3, 81246948), (4, 60935211), (6, 40623474), (9, 27082316), (12, 20311737), (18, 13541158), (23, 10597428), (36, 6770579), (46, 5298714), (69, 3532476), (92, 2649357), (138, 1766238), (207, 1177492), (276, 883119), (414, 588746), (431, 565524), (683, 356868), (828, 294373), (862, 282762), (1293, 188508), (1366, 178434), (1724, 141381), (2049, 118956), (2586, 94254), (2732, 89217), (3879, 62836), (4098, 59478), (5172, 47127), (6147, 39652), (7758, 31418), (8196, 29739), (9913, 24588), (12294, 19826), (15516, 15709)]