291259592

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^2\times {\mathrm{997}}^1$

素因数の和:1122

約数の個数: 48

約数和(自身を含む): 600027540

約数和(自身を除く): 308767948

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 212, 424, 689, 997, 1378, 1994, 2756, 2809, 3988, 5512, 5618, 7976, 11236, 12961, 22472, 25922, 36517, 51844, 52841, 73034, 103688, 105682, 146068, 211364, 292136, 422728, 686933, 1373866, 2747732, 2800573, 5495464, 5601146, 11202292, 22404584, 36407449, 72814898, 145629796, 291259592]

約数ペア:

[(1, 291259592), (2, 145629796), (4, 72814898), (8, 36407449), (13, 22404584), (26, 11202292), (52, 5601146), (53, 5495464), (104, 2800573), (106, 2747732), (212, 1373866), (424, 686933), (689, 422728), (997, 292136), (1378, 211364), (1994, 146068), (2756, 105682), (2809, 103688), (3988, 73034), (5512, 52841), (5618, 51844), (7976, 36517), (11236, 25922), (12961, 22472)]