81461344

素因数分解:

$2^5\times {\mathrm{89}}^1\times {\mathrm{28603}}^1$

素因数の和:28702

約数の個数: 24

約数和(自身を含む): 162184680

約数和(自身を除く): 80723336

約数列:

[1, 2, 4, 8, 16, 32, 89, 178, 356, 712, 1424, 2848, 28603, 57206, 114412, 228824, 457648, 915296, 2545667, 5091334, 10182668, 20365336, 40730672, 81461344]

約数ペア:

[(1, 81461344), (2, 40730672), (4, 20365336), (8, 10182668), (16, 5091334), (32, 2545667), (89, 915296), (178, 457648), (356, 228824), (712, 114412), (1424, 57206), (2848, 28603)]