66148978844

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{4871}}^1\times {\mathrm{20089}}^1$

素因数の和:24990

約数の個数: 36

約数和(自身を含む): 125382332880

約数和(自身を除く): 59233354036

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 4871, 9742, 19484, 20089, 40178, 63323, 80356, 126646, 253292, 261157, 522314, 823199, 1044628, 1646398, 3292796, 3395041, 6790082, 13580164, 97853519, 195707038, 391414076, 1272095747, 2544191494, 5088382988, 16537244711, 33074489422, 66148978844]

約数ペア:

[(1, 66148978844), (2, 33074489422), (4, 16537244711), (13, 5088382988), (26, 2544191494), (52, 1272095747), (169, 391414076), (338, 195707038), (676, 97853519), (4871, 13580164), (9742, 6790082), (19484, 3395041), (20089, 3292796), (40178, 1646398), (63323, 1044628), (80356, 823199), (126646, 522314), (253292, 261157)]