205123250865

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1\times {\mathrm{110623}}^1$

素因数の和:110938

約数の個数: 64

約数和(自身を含む): 364411385856

約数和(自身を除く): 159288134991

約数列:

[1, 3, 5, 13, 15, 37, 39, 65, 111, 185, 195, 257, 481, 555, 771, 1285, 1443, 2405, 3341, 3855, 7215, 9509, 10023, 16705, 28527, 47545, 50115, 110623, 123617, 142635, 331869, 370851, 553115, 618085, 1438099, 1659345, 1854255, 4093051, 4314297, 7190495, 12279153, 20465255, 21571485, 28430111, 53209663, 61395765, 85290333, 142150555, 159628989, 266048315, 369591443, 426451665, 798144945, 1051914107, 1108774329, 1847957215, 3155742321, 5259570535, 5543871645, 13674883391, 15778711605, 41024650173, 68374416955, 205123250865]

約数ペア:

[(1, 205123250865), (3, 68374416955), (5, 41024650173), (13, 15778711605), (15, 13674883391), (37, 5543871645), (39, 5259570535), (65, 3155742321), (111, 1847957215), (185, 1108774329), (195, 1051914107), (257, 798144945), (481, 426451665), (555, 369591443), (771, 266048315), (1285, 159628989), (1443, 142150555), (2405, 85290333), (3341, 61395765), (3855, 53209663), (7215, 28430111), (9509, 21571485), (10023, 20465255), (16705, 12279153), (28527, 7190495), (47545, 4314297), (50115, 4093051), (110623, 1854255), (123617, 1659345), (142635, 1438099), (331869, 618085), (370851, 553115)]