27997424

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:143

約数の個数: 120

約数和(自身を含む): 70651728

約数和(自身を除く): 42654304

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 41, 49, 52, 56, 67, 82, 91, 98, 104, 112, 134, 164, 182, 196, 208, 268, 287, 328, 364, 392, 469, 533, 536, 574, 637, 656, 728, 784, 871, 938, 1066, 1072, 1148, 1274, 1456, 1742, 1876, 2009, 2132, 2296, 2548, 2747, 3283, 3484, 3731, 3752, 4018, 4264, 4592, 5096, 5494, 6097, 6566, 6968, 7462, 7504, 8036, 8528, 10192, 10988, 12194, 13132, 13936, 14924, 16072, 19229, 21976, 24388, 26117, 26264, 29848, 32144, 35711, 38458, 42679, 43952, 48776, 52234, 52528, 59696, 71422, 76916, 85358, 97552, 104468, 134603, 142844, 153832, 170716, 208936, 249977, 269206, 285688, 307664, 341432, 417872, 499954, 538412, 571376, 682864, 999908, 1076824, 1749839, 1999816, 2153648, 3499678, 3999632, 6999356, 13998712, 27997424]

約数ペア:

[(1, 27997424), (2, 13998712), (4, 6999356), (7, 3999632), (8, 3499678), (13, 2153648), (14, 1999816), (16, 1749839), (26, 1076824), (28, 999908), (41, 682864), (49, 571376), (52, 538412), (56, 499954), (67, 417872), (82, 341432), (91, 307664), (98, 285688), (104, 269206), (112, 249977), (134, 208936), (164, 170716), (182, 153832), (196, 142844), (208, 134603), (268, 104468), (287, 97552), (328, 85358), (364, 76916), (392, 71422), (469, 59696), (533, 52528), (536, 52234), (574, 48776), (637, 43952), (656, 42679), (728, 38458), (784, 35711), (871, 32144), (938, 29848), (1066, 26264), (1072, 26117), (1148, 24388), (1274, 21976), (1456, 19229), (1742, 16072), (1876, 14924), (2009, 13936), (2132, 13132), (2296, 12194), (2548, 10988), (2747, 10192), (3283, 8528), (3484, 8036), (3731, 7504), (3752, 7462), (4018, 6968), (4264, 6566), (4592, 6097), (5096, 5494)]