71017856

素因数分解:

$2^7\times 7^2\times {\mathrm{13}}^2\times {\mathrm{67}}^1$

素因数の和:121

約数の個数: 144

約数和(自身を含む): 180873540

約数和(自身を除く): 109855684

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 64, 67, 91, 98, 104, 112, 128, 134, 169, 182, 196, 208, 224, 268, 338, 364, 392, 416, 448, 469, 536, 637, 676, 728, 784, 832, 871, 896, 938, 1072, 1183, 1274, 1352, 1456, 1568, 1664, 1742, 1876, 2144, 2366, 2548, 2704, 2912, 3136, 3283, 3484, 3752, 4288, 4732, 5096, 5408, 5824, 6097, 6272, 6566, 6968, 7504, 8281, 8576, 9464, 10192, 10816, 11323, 11648, 12194, 13132, 13936, 15008, 16562, 18928, 20384, 21632, 22646, 24388, 26264, 27872, 30016, 33124, 37856, 40768, 42679, 45292, 48776, 52528, 55744, 60032, 66248, 75712, 79261, 81536, 85358, 90584, 97552, 105056, 111488, 132496, 151424, 158522, 170716, 181168, 195104, 210112, 264992, 317044, 341432, 362336, 390208, 420224, 529984, 554827, 634088, 682864, 724672, 780416, 1059968, 1109654, 1268176, 1365728, 1449344, 2219308, 2536352, 2731456, 4438616, 5072704, 5462912, 8877232, 10145408, 17754464, 35508928, 71017856]

約数ペア:

[(1, 71017856), (2, 35508928), (4, 17754464), (7, 10145408), (8, 8877232), (13, 5462912), (14, 5072704), (16, 4438616), (26, 2731456), (28, 2536352), (32, 2219308), (49, 1449344), (52, 1365728), (56, 1268176), (64, 1109654), (67, 1059968), (91, 780416), (98, 724672), (104, 682864), (112, 634088), (128, 554827), (134, 529984), (169, 420224), (182, 390208), (196, 362336), (208, 341432), (224, 317044), (268, 264992), (338, 210112), (364, 195104), (392, 181168), (416, 170716), (448, 158522), (469, 151424), (536, 132496), (637, 111488), (676, 105056), (728, 97552), (784, 90584), (832, 85358), (871, 81536), (896, 79261), (938, 75712), (1072, 66248), (1183, 60032), (1274, 55744), (1352, 52528), (1456, 48776), (1568, 45292), (1664, 42679), (1742, 40768), (1876, 37856), (2144, 33124), (2366, 30016), (2548, 27872), (2704, 26264), (2912, 24388), (3136, 22646), (3283, 21632), (3484, 20384), (3752, 18928), (4288, 16562), (4732, 15008), (5096, 13936), (5408, 13132), (5824, 12194), (6097, 11648), (6272, 11323), (6566, 10816), (6968, 10192), (7504, 9464), (8281, 8576)]