81821068

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:239

約数の個数: 96

約数和(自身を含む): 186278400

約数和(自身を除く): 104457332

約数列:

[1, 2, 4, 7, 14, 17, 19, 28, 34, 38, 68, 76, 83, 109, 119, 133, 166, 218, 238, 266, 323, 332, 436, 476, 532, 581, 646, 763, 1162, 1292, 1411, 1526, 1577, 1853, 2071, 2261, 2324, 2822, 3052, 3154, 3706, 4142, 4522, 5644, 6308, 7412, 8284, 9044, 9047, 9877, 11039, 12971, 14497, 18094, 19754, 22078, 25942, 26809, 28994, 35207, 36188, 39508, 44156, 51884, 53618, 57988, 63329, 70414, 107236, 126658, 140828, 153799, 171893, 187663, 246449, 253316, 307598, 343786, 375326, 492898, 615196, 687572, 750652, 985796, 1076593, 1203251, 2153186, 2406502, 2922181, 4306372, 4813004, 5844362, 11688724, 20455267, 40910534, 81821068]

約数ペア:

[(1, 81821068), (2, 40910534), (4, 20455267), (7, 11688724), (14, 5844362), (17, 4813004), (19, 4306372), (28, 2922181), (34, 2406502), (38, 2153186), (68, 1203251), (76, 1076593), (83, 985796), (109, 750652), (119, 687572), (133, 615196), (166, 492898), (218, 375326), (238, 343786), (266, 307598), (323, 253316), (332, 246449), (436, 187663), (476, 171893), (532, 153799), (581, 140828), (646, 126658), (763, 107236), (1162, 70414), (1292, 63329), (1411, 57988), (1526, 53618), (1577, 51884), (1853, 44156), (2071, 39508), (2261, 36188), (2324, 35207), (2822, 28994), (3052, 26809), (3154, 25942), (3706, 22078), (4142, 19754), (4522, 18094), (5644, 14497), (6308, 12971), (7412, 11039), (8284, 9877), (9044, 9047)]