15961904

素因数分解:

$2^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{2689}}^1$

素因数の和:2757

約数の個数: 40

約数和(自身を含む): 36024480

約数和(自身を除く): 20062576

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 53, 56, 106, 112, 212, 371, 424, 742, 848, 1484, 2689, 2968, 5378, 5936, 10756, 18823, 21512, 37646, 43024, 75292, 142517, 150584, 285034, 301168, 570068, 997619, 1140136, 1995238, 2280272, 3990476, 7980952, 15961904]

約数ペア:

[(1, 15961904), (2, 7980952), (4, 3990476), (7, 2280272), (8, 1995238), (14, 1140136), (16, 997619), (28, 570068), (53, 301168), (56, 285034), (106, 150584), (112, 142517), (212, 75292), (371, 43024), (424, 37646), (742, 21512), (848, 18823), (1484, 10756), (2689, 5936), (2968, 5378)]