2788409855

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{1399}}^1$

素因数の和:1620

約数の個数: 64

約数和(自身を含む): 4335206400

約数和(自身を除く): 1546796545

約数列:

[1, 5, 7, 11, 31, 35, 55, 77, 155, 167, 217, 341, 385, 835, 1085, 1169, 1399, 1705, 1837, 2387, 5177, 5845, 6995, 9185, 9793, 11935, 12859, 15389, 25885, 36239, 43369, 48965, 56947, 64295, 76945, 107723, 181195, 216845, 233633, 284735, 303583, 398629, 477059, 538615, 1168165, 1517915, 1635431, 1993145, 2385295, 2569963, 3339413, 7242623, 8177155, 12849815, 16697065, 17989741, 36213115, 50698361, 79668853, 89948705, 253491805, 398344265, 557681971, 2788409855]

約数ペア:

[(1, 2788409855), (5, 557681971), (7, 398344265), (11, 253491805), (31, 89948705), (35, 79668853), (55, 50698361), (77, 36213115), (155, 17989741), (167, 16697065), (217, 12849815), (341, 8177155), (385, 7242623), (835, 3339413), (1085, 2569963), (1169, 2385295), (1399, 1993145), (1705, 1635431), (1837, 1517915), (2387, 1168165), (5177, 538615), (5845, 477059), (6995, 398629), (9185, 303583), (9793, 284735), (11935, 233633), (12859, 216845), (15389, 181195), (25885, 107723), (36239, 76945), (43369, 64295), (48965, 56947)]