65721344

素因数分解:

$2^{10}\times {\mathrm{13}}^1\times {\mathrm{4937}}^1$

素因数の和:4970

約数の個数: 44

約数和(自身を含む): 141513204

約数和(自身を除く): 75791860

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 512, 832, 1024, 1664, 3328, 4937, 6656, 9874, 13312, 19748, 39496, 64181, 78992, 128362, 157984, 256724, 315968, 513448, 631936, 1026896, 1263872, 2053792, 2527744, 4107584, 5055488, 8215168, 16430336, 32860672, 65721344]

約数ペア:

[(1, 65721344), (2, 32860672), (4, 16430336), (8, 8215168), (13, 5055488), (16, 4107584), (26, 2527744), (32, 2053792), (52, 1263872), (64, 1026896), (104, 631936), (128, 513448), (208, 315968), (256, 256724), (416, 157984), (512, 128362), (832, 78992), (1024, 64181), (1664, 39496), (3328, 19748), (4937, 13312), (6656, 9874)]