66166516

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^2\times {\mathrm{89}}^1$

素因数の和:181

約数の個数: 72

約数和(自身を含む): 138279960

約数和(自身を除く): 72113444

約数列:

[1, 2, 4, 13, 17, 26, 29, 34, 52, 58, 68, 89, 116, 178, 221, 356, 377, 442, 493, 754, 841, 884, 986, 1157, 1508, 1513, 1682, 1972, 2314, 2581, 3026, 3364, 4628, 5162, 6052, 6409, 10324, 10933, 12818, 14297, 19669, 21866, 25636, 28594, 33553, 39338, 43732, 43877, 57188, 67106, 74849, 78676, 87754, 134212, 149698, 175508, 185861, 299396, 371722, 570401, 743444, 973037, 1140802, 1272433, 1946074, 2281604, 2544866, 3892148, 5089732, 16541629, 33083258, 66166516]

約数ペア:

[(1, 66166516), (2, 33083258), (4, 16541629), (13, 5089732), (17, 3892148), (26, 2544866), (29, 2281604), (34, 1946074), (52, 1272433), (58, 1140802), (68, 973037), (89, 743444), (116, 570401), (178, 371722), (221, 299396), (356, 185861), (377, 175508), (442, 149698), (493, 134212), (754, 87754), (841, 78676), (884, 74849), (986, 67106), (1157, 57188), (1508, 43877), (1513, 43732), (1682, 39338), (1972, 33553), (2314, 28594), (2581, 25636), (3026, 21866), (3364, 19669), (4628, 14297), (5162, 12818), (6052, 10933), (6409, 10324)]