66846390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{171401}}^1$

素因数の和:171424

約数の個数: 32

約数和(自身を含む): 172773216

約数和(自身を除く): 105926826

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 171401, 342802, 514203, 857005, 1028406, 1714010, 2228213, 2571015, 4456426, 5142030, 6684639, 11141065, 13369278, 22282130, 33423195, 66846390]

約数ペア:

[(1, 66846390), (2, 33423195), (3, 22282130), (5, 13369278), (6, 11141065), (10, 6684639), (13, 5142030), (15, 4456426), (26, 2571015), (30, 2228213), (39, 1714010), (65, 1028406), (78, 857005), (130, 514203), (195, 342802), (390, 171401)]