1286407424

素因数分解:

$2^8\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{431}}^1$

素因数の和:667

約数の個数: 72

約数和(自身を含む): 2622533760

約数和(自身を除く): 1336126336

約数列:

[1, 2, 4, 8, 16, 32, 64, 89, 128, 131, 178, 256, 262, 356, 431, 524, 712, 862, 1048, 1424, 1724, 2096, 2848, 3448, 4192, 5696, 6896, 8384, 11392, 11659, 13792, 16768, 22784, 23318, 27584, 33536, 38359, 46636, 55168, 56461, 76718, 93272, 110336, 112922, 153436, 186544, 225844, 306872, 373088, 451688, 613744, 746176, 903376, 1227488, 1492352, 1806752, 2454976, 2984704, 3613504, 4909952, 5025029, 7227008, 9819904, 10050058, 14454016, 20100116, 40200232, 80400464, 160800928, 321601856, 643203712, 1286407424]

約数ペア:

[(1, 1286407424), (2, 643203712), (4, 321601856), (8, 160800928), (16, 80400464), (32, 40200232), (64, 20100116), (89, 14454016), (128, 10050058), (131, 9819904), (178, 7227008), (256, 5025029), (262, 4909952), (356, 3613504), (431, 2984704), (524, 2454976), (712, 1806752), (862, 1492352), (1048, 1227488), (1424, 903376), (1724, 746176), (2096, 613744), (2848, 451688), (3448, 373088), (4192, 306872), (5696, 225844), (6896, 186544), (8384, 153436), (11392, 112922), (11659, 110336), (13792, 93272), (16768, 76718), (22784, 56461), (23318, 55168), (27584, 46636), (33536, 38359)]