205121214725

素因数分解:

$5^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{223}}^1\times {\mathrm{41387}}^1$

素因数の和:41754

約数の個数: 48

約数和(自身を含む): 294295830528

約数和(自身を除く): 89174615803

約数列:

[1, 5, 7, 25, 35, 127, 175, 223, 635, 889, 1115, 1561, 3175, 4445, 5575, 7805, 22225, 28321, 39025, 41387, 141605, 198247, 206935, 289709, 708025, 991235, 1034675, 1448545, 4956175, 5256149, 7242725, 9229301, 26280745, 36793043, 46146505, 64605107, 131403725, 183965215, 230732525, 323025535, 919826075, 1172121227, 1615127675, 5860606135, 8204848589, 29303030675, 41024242945, 205121214725]

約数ペア:

[(1, 205121214725), (5, 41024242945), (7, 29303030675), (25, 8204848589), (35, 5860606135), (127, 1615127675), (175, 1172121227), (223, 919826075), (635, 323025535), (889, 230732525), (1115, 183965215), (1561, 131403725), (3175, 64605107), (4445, 46146505), (5575, 36793043), (7805, 26280745), (22225, 9229301), (28321, 7242725), (39025, 5256149), (41387, 4956175), (141605, 1448545), (198247, 1034675), (206935, 991235), (289709, 708025)]