28445144

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{953}}^1$

素因数の和:1020

約数の個数: 64

約数和(自身を含む): 67314240

約数和(自身を除く): 38869096

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 41, 52, 56, 82, 91, 104, 164, 182, 287, 328, 364, 533, 574, 728, 953, 1066, 1148, 1906, 2132, 2296, 3731, 3812, 4264, 6671, 7462, 7624, 12389, 13342, 14924, 24778, 26684, 29848, 39073, 49556, 53368, 78146, 86723, 99112, 156292, 173446, 273511, 312584, 346892, 507949, 547022, 693784, 1015898, 1094044, 2031796, 2188088, 3555643, 4063592, 7111286, 14222572, 28445144]

約数ペア:

[(1, 28445144), (2, 14222572), (4, 7111286), (7, 4063592), (8, 3555643), (13, 2188088), (14, 2031796), (26, 1094044), (28, 1015898), (41, 693784), (52, 547022), (56, 507949), (82, 346892), (91, 312584), (104, 273511), (164, 173446), (182, 156292), (287, 99112), (328, 86723), (364, 78146), (533, 53368), (574, 49556), (728, 39073), (953, 29848), (1066, 26684), (1148, 24778), (1906, 14924), (2132, 13342), (2296, 12389), (3731, 7624), (3812, 7462), (4264, 6671)]