686172916

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{3323}}^1$

素因数の和:3389

約数の個数: 72

約数和(自身を含む): 1489338144

約数和(自身を除く): 803165228

約数列:

[1, 2, 4, 11, 13, 19, 22, 26, 38, 44, 52, 76, 143, 209, 247, 286, 361, 418, 494, 572, 722, 836, 988, 1444, 2717, 3323, 3971, 4693, 5434, 6646, 7942, 9386, 10868, 13292, 15884, 18772, 36553, 43199, 51623, 63137, 73106, 86398, 103246, 126274, 146212, 172796, 206492, 252548, 475189, 694507, 820781, 950378, 1199603, 1389014, 1641562, 1900756, 2399206, 2778028, 3283124, 4798412, 9028591, 13195633, 15594839, 18057182, 26391266, 31189678, 36114364, 52782532, 62379356, 171543229, 343086458, 686172916]

約数ペア:

[(1, 686172916), (2, 343086458), (4, 171543229), (11, 62379356), (13, 52782532), (19, 36114364), (22, 31189678), (26, 26391266), (38, 18057182), (44, 15594839), (52, 13195633), (76, 9028591), (143, 4798412), (209, 3283124), (247, 2778028), (286, 2399206), (361, 1900756), (418, 1641562), (494, 1389014), (572, 1199603), (722, 950378), (836, 820781), (988, 694507), (1444, 475189), (2717, 252548), (3323, 206492), (3971, 172796), (4693, 146212), (5434, 126274), (6646, 103246), (7942, 86398), (9386, 73106), (10868, 63137), (13292, 51623), (15884, 43199), (18772, 36553)]