138443330

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{257}}^1\times {\mathrm{523}}^1$

素因数の和:890

約数の個数: 32

約数和(自身を含む): 253079424

約数和(自身を除く): 114636094

約数列:

[1, 2, 5, 10, 103, 206, 257, 514, 515, 523, 1030, 1046, 1285, 2570, 2615, 5230, 26471, 52942, 53869, 107738, 132355, 134411, 264710, 268822, 269345, 538690, 672055, 1344110, 13844333, 27688666, 69221665, 138443330]

約数ペア:

[(1, 138443330), (2, 69221665), (5, 27688666), (10, 13844333), (103, 1344110), (206, 672055), (257, 538690), (514, 269345), (515, 268822), (523, 264710), (1030, 134411), (1046, 132355), (1285, 107738), (2570, 53869), (2615, 52942), (5230, 26471)]