161653180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{11731}}^1$

素因数の和:11806

約数の個数: 48

約数和(自身を含む): 372514464

約数和(自身を除く): 210861284

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 530, 689, 1060, 1378, 2756, 3445, 6890, 11731, 13780, 23462, 46924, 58655, 117310, 152503, 234620, 305006, 610012, 621743, 762515, 1243486, 1525030, 2486972, 3050060, 3108715, 6217430, 8082659, 12434860, 16165318, 32330636, 40413295, 80826590, 161653180]

約数ペア:

[(1, 161653180), (2, 80826590), (4, 40413295), (5, 32330636), (10, 16165318), (13, 12434860), (20, 8082659), (26, 6217430), (52, 3108715), (53, 3050060), (65, 2486972), (106, 1525030), (130, 1243486), (212, 762515), (260, 621743), (265, 610012), (530, 305006), (689, 234620), (1060, 152503), (1378, 117310), (2756, 58655), (3445, 46924), (6890, 23462), (11731, 13780)]