31189732

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{541}}^1$

素因数の和:652

約数の個数: 48

約数和(自身を含む): 65560320

約数和(自身を除く): 34370588

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 71, 116, 142, 203, 284, 406, 497, 541, 812, 994, 1082, 1988, 2059, 2164, 3787, 4118, 7574, 8236, 14413, 15148, 15689, 28826, 31378, 38411, 57652, 62756, 76822, 109823, 153644, 219646, 268877, 439292, 537754, 1075508, 1113919, 2227838, 4455676, 7797433, 15594866, 31189732]

約数ペア:

[(1, 31189732), (2, 15594866), (4, 7797433), (7, 4455676), (14, 2227838), (28, 1113919), (29, 1075508), (58, 537754), (71, 439292), (116, 268877), (142, 219646), (203, 153644), (284, 109823), (406, 76822), (497, 62756), (541, 57652), (812, 38411), (994, 31378), (1082, 28826), (1988, 15689), (2059, 15148), (2164, 14413), (3787, 8236), (4118, 7574)]