639544654328

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{313}}^1\times {\mathrm{349397}}^1$

素因数の和:349776

約数の個数: 64

約数和(自身を含む): 1303366347360

約数和(自身を除く): 663821693032

約数列:

[1, 2, 4, 8, 17, 34, 43, 68, 86, 136, 172, 313, 344, 626, 731, 1252, 1462, 2504, 2924, 5321, 5848, 10642, 13459, 21284, 26918, 42568, 53836, 107672, 228803, 349397, 457606, 698794, 915212, 1397588, 1830424, 2795176, 5939749, 11879498, 15024071, 23758996, 30048142, 47517992, 60096284, 109361261, 120192568, 218722522, 255409207, 437445044, 510818414, 874890088, 1021636828, 1859141437, 2043273656, 3718282874, 4702534223, 7436565748, 9405068446, 14873131496, 18810136892, 37620273784, 79943081791, 159886163582, 319772327164, 639544654328]

約数ペア:

[(1, 639544654328), (2, 319772327164), (4, 159886163582), (8, 79943081791), (17, 37620273784), (34, 18810136892), (43, 14873131496), (68, 9405068446), (86, 7436565748), (136, 4702534223), (172, 3718282874), (313, 2043273656), (344, 1859141437), (626, 1021636828), (731, 874890088), (1252, 510818414), (1462, 437445044), (2504, 255409207), (2924, 218722522), (5321, 120192568), (5848, 109361261), (10642, 60096284), (13459, 47517992), (21284, 30048142), (26918, 23758996), (42568, 15024071), (53836, 11879498), (107672, 5939749), (228803, 2795176), (349397, 1830424), (457606, 1397588), (698794, 915212)]