389985754028

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{1709}}^1\times {\mathrm{4273}}^1$

素因数の和:6091

約数の個数: 72

約数和(自身を含む): 748979179200

約数和(自身を除く): 358993425172

約数列:

[1, 2, 4, 13, 26, 52, 79, 158, 169, 316, 338, 676, 1027, 1709, 2054, 3418, 4108, 4273, 6836, 8546, 13351, 17092, 22217, 26702, 44434, 53404, 55549, 88868, 111098, 135011, 222196, 270022, 288821, 337567, 540044, 577642, 675134, 722137, 1155284, 1350268, 1444274, 1755143, 2888548, 3510286, 4388371, 7020572, 7302557, 8776742, 14605114, 17553484, 22816859, 29210228, 45633718, 57048823, 91267436, 94933241, 114097646, 189866482, 228195292, 379732964, 576902003, 1153804006, 1234132133, 2307608012, 2468264266, 4936528532, 7499726039, 14999452078, 29998904156, 97496438507, 194992877014, 389985754028]

約数ペア:

[(1, 389985754028), (2, 194992877014), (4, 97496438507), (13, 29998904156), (26, 14999452078), (52, 7499726039), (79, 4936528532), (158, 2468264266), (169, 2307608012), (316, 1234132133), (338, 1153804006), (676, 576902003), (1027, 379732964), (1709, 228195292), (2054, 189866482), (3418, 114097646), (4108, 94933241), (4273, 91267436), (6836, 57048823), (8546, 45633718), (13351, 29210228), (17092, 22816859), (22217, 17553484), (26702, 14605114), (44434, 8776742), (53404, 7302557), (55549, 7020572), (88868, 4388371), (111098, 3510286), (135011, 2888548), (222196, 1755143), (270022, 1444274), (288821, 1350268), (337567, 1155284), (540044, 722137), (577642, 675134)]