81222076

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{2267}}^1$

素因数の和:2350

約数の個数: 36

約数和(自身を含む): 156886632

約数和(自身を除く): 75664556

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 169, 212, 338, 676, 689, 1378, 2267, 2756, 4534, 8957, 9068, 17914, 29471, 35828, 58942, 117884, 120151, 240302, 383123, 480604, 766246, 1532492, 1561963, 3123926, 6247852, 20305519, 40611038, 81222076]

約数ペア:

[(1, 81222076), (2, 40611038), (4, 20305519), (13, 6247852), (26, 3123926), (52, 1561963), (53, 1532492), (106, 766246), (169, 480604), (212, 383123), (338, 240302), (676, 120151), (689, 117884), (1378, 58942), (2267, 35828), (2756, 29471), (4534, 17914), (8957, 9068)]