272620172

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{1619}}^1$

素因数の和:1766

約数の個数: 48

約数和(自身を含む): 538876800

約数和(自身を除く): 266256628

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 89, 172, 178, 356, 473, 946, 979, 1619, 1892, 1958, 3238, 3827, 3916, 6476, 7654, 15308, 17809, 35618, 42097, 69617, 71236, 84194, 139234, 144091, 168388, 278468, 288182, 576364, 765787, 1531574, 1585001, 3063148, 3170002, 6195913, 6340004, 12391826, 24783652, 68155043, 136310086, 272620172]

約数ペア:

[(1, 272620172), (2, 136310086), (4, 68155043), (11, 24783652), (22, 12391826), (43, 6340004), (44, 6195913), (86, 3170002), (89, 3063148), (172, 1585001), (178, 1531574), (356, 765787), (473, 576364), (946, 288182), (979, 278468), (1619, 168388), (1892, 144091), (1958, 139234), (3238, 84194), (3827, 71236), (3916, 69617), (6476, 42097), (7654, 35618), (15308, 17809)]