165803872

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:133

約数の個数: 144

約数和(自身を含む): 389587968

約数和(自身を除く): 223784096

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 31, 32, 43, 46, 52, 62, 86, 92, 104, 124, 169, 172, 184, 208, 248, 299, 338, 344, 368, 403, 416, 496, 559, 598, 676, 688, 713, 736, 806, 989, 992, 1118, 1196, 1333, 1352, 1376, 1426, 1612, 1978, 2236, 2392, 2666, 2704, 2852, 3224, 3887, 3956, 4472, 4784, 5239, 5332, 5408, 5704, 6448, 7267, 7774, 7912, 8944, 9269, 9568, 10478, 10664, 11408, 12857, 12896, 14534, 15548, 15824, 17329, 17888, 18538, 20956, 21328, 22816, 25714, 29068, 30659, 31096, 31648, 34658, 37076, 41912, 42656, 51428, 58136, 61318, 62192, 69316, 74152, 83824, 102856, 116272, 120497, 122636, 124384, 138632, 148304, 167141, 167648, 205712, 225277, 232544, 240994, 245272, 277264, 296608, 334282, 398567, 411424, 450554, 481988, 490544, 554528, 668564, 797134, 901108, 963976, 981088, 1337128, 1594268, 1802216, 1927952, 2674256, 3188536, 3604432, 3855904, 5181371, 5348512, 6377072, 7208864, 10362742, 12754144, 20725484, 41450968, 82901936, 165803872]

約数ペア:

[(1, 165803872), (2, 82901936), (4, 41450968), (8, 20725484), (13, 12754144), (16, 10362742), (23, 7208864), (26, 6377072), (31, 5348512), (32, 5181371), (43, 3855904), (46, 3604432), (52, 3188536), (62, 2674256), (86, 1927952), (92, 1802216), (104, 1594268), (124, 1337128), (169, 981088), (172, 963976), (184, 901108), (208, 797134), (248, 668564), (299, 554528), (338, 490544), (344, 481988), (368, 450554), (403, 411424), (416, 398567), (496, 334282), (559, 296608), (598, 277264), (676, 245272), (688, 240994), (713, 232544), (736, 225277), (806, 205712), (989, 167648), (992, 167141), (1118, 148304), (1196, 138632), (1333, 124384), (1352, 122636), (1376, 120497), (1426, 116272), (1612, 102856), (1978, 83824), (2236, 74152), (2392, 69316), (2666, 62192), (2704, 61318), (2852, 58136), (3224, 51428), (3887, 42656), (3956, 41912), (4472, 37076), (4784, 34658), (5239, 31648), (5332, 31096), (5408, 30659), (5704, 29068), (6448, 25714), (7267, 22816), (7774, 21328), (7912, 20956), (8944, 18538), (9269, 17888), (9568, 17329), (10478, 15824), (10664, 15548), (11408, 14534), (12857, 12896)]