259556752

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{2003}}^1$

素因数の和:2120

約数の個数: 80

約数和(自身を含む): 626209920

約数和(自身を除く): 366653168

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 89, 91, 104, 112, 178, 182, 208, 356, 364, 623, 712, 728, 1157, 1246, 1424, 1456, 2003, 2314, 2492, 4006, 4628, 4984, 8012, 8099, 9256, 9968, 14021, 16024, 16198, 18512, 26039, 28042, 32048, 32396, 52078, 56084, 64792, 104156, 112168, 129584, 178267, 182273, 208312, 224336, 356534, 364546, 416624, 713068, 729092, 1247869, 1426136, 1458184, 2317471, 2495738, 2852272, 2916368, 4634942, 4991476, 9269884, 9982952, 16222297, 18539768, 19965904, 32444594, 37079536, 64889188, 129778376, 259556752]

約数ペア:

[(1, 259556752), (2, 129778376), (4, 64889188), (7, 37079536), (8, 32444594), (13, 19965904), (14, 18539768), (16, 16222297), (26, 9982952), (28, 9269884), (52, 4991476), (56, 4634942), (89, 2916368), (91, 2852272), (104, 2495738), (112, 2317471), (178, 1458184), (182, 1426136), (208, 1247869), (356, 729092), (364, 713068), (623, 416624), (712, 364546), (728, 356534), (1157, 224336), (1246, 208312), (1424, 182273), (1456, 178267), (2003, 129584), (2314, 112168), (2492, 104156), (4006, 64792), (4628, 56084), (4984, 52078), (8012, 32396), (8099, 32048), (9256, 28042), (9968, 26039), (14021, 18512), (16024, 16198)]