13308890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{173}}^1$

素因数の和:351

約数の個数: 48

約数和(自身を含む): 28206792

約数和(自身を除く): 14897902

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 157, 173, 245, 314, 346, 490, 785, 865, 1099, 1211, 1570, 1730, 2198, 2422, 5495, 6055, 7693, 8477, 10990, 12110, 15386, 16954, 27161, 38465, 42385, 54322, 76930, 84770, 135805, 190127, 271610, 380254, 950635, 1330889, 1901270, 2661778, 6654445, 13308890]

約数ペア:

[(1, 13308890), (2, 6654445), (5, 2661778), (7, 1901270), (10, 1330889), (14, 950635), (35, 380254), (49, 271610), (70, 190127), (98, 135805), (157, 84770), (173, 76930), (245, 54322), (314, 42385), (346, 38465), (490, 27161), (785, 16954), (865, 15386), (1099, 12110), (1211, 10990), (1570, 8477), (1730, 7693), (2198, 6055), (2422, 5495)]