638996826026

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{40639}}^1\times {\mathrm{604759}}^1$

素因数の和:645413

約数の個数: 16

約数和(自身を含む): 1032252748800

約数和(自身を除く): 393255922774

約数列:

[1, 2, 13, 26, 40639, 81278, 528307, 604759, 1056614, 1209518, 7861867, 15723734, 24576801001, 49153602002, 319498413013, 638996826026]

約数ペア:

[(1, 638996826026), (2, 319498413013), (13, 49153602002), (26, 24576801001), (40639, 15723734), (81278, 7861867), (528307, 1209518), (604759, 1056614)]