81430414

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{1801}}^1$

素因数の和:1900

約数の個数: 32

約数和(自身を含む): 138047616

約数和(自身を除く): 56617202

約数列:

[1, 2, 13, 26, 37, 47, 74, 94, 481, 611, 962, 1222, 1739, 1801, 3478, 3602, 22607, 23413, 45214, 46826, 66637, 84647, 133274, 169294, 866281, 1100411, 1732562, 2200822, 3131939, 6263878, 40715207, 81430414]

約数ペア:

[(1, 81430414), (2, 40715207), (13, 6263878), (26, 3131939), (37, 2200822), (47, 1732562), (74, 1100411), (94, 866281), (481, 169294), (611, 133274), (962, 84647), (1222, 66637), (1739, 46826), (1801, 45214), (3478, 23413), (3602, 22607)]