71308328

素因数分解:

$2^3\times 7^3\times {\mathrm{13}}^1\times {\mathrm{1999}}^1$

素因数の和:2039

約数の個数: 64

約数和(自身を含む): 168000000

約数和(自身を除く): 96691672

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 49, 52, 56, 91, 98, 104, 182, 196, 343, 364, 392, 637, 686, 728, 1274, 1372, 1999, 2548, 2744, 3998, 4459, 5096, 7996, 8918, 13993, 15992, 17836, 25987, 27986, 35672, 51974, 55972, 97951, 103948, 111944, 181909, 195902, 207896, 363818, 391804, 685657, 727636, 783608, 1273363, 1371314, 1455272, 2546726, 2742628, 5093452, 5485256, 8913541, 10186904, 17827082, 35654164, 71308328]

約数ペア:

[(1, 71308328), (2, 35654164), (4, 17827082), (7, 10186904), (8, 8913541), (13, 5485256), (14, 5093452), (26, 2742628), (28, 2546726), (49, 1455272), (52, 1371314), (56, 1273363), (91, 783608), (98, 727636), (104, 685657), (182, 391804), (196, 363818), (343, 207896), (364, 195902), (392, 181909), (637, 111944), (686, 103948), (728, 97951), (1274, 55972), (1372, 51974), (1999, 35672), (2548, 27986), (2744, 25987), (3998, 17836), (4459, 15992), (5096, 13993), (7996, 8918)]