1640242516

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^2\times {\mathrm{577}}^1$

素因数の和:721

約数の個数: 72

約数和(自身を含む): 3336105024

約数和(自身を除く): 1695862508

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 53, 92, 106, 212, 253, 506, 577, 583, 1012, 1154, 1166, 1219, 2308, 2332, 2438, 2809, 4876, 5618, 6347, 11236, 12694, 13271, 13409, 25388, 26542, 26818, 30581, 30899, 53084, 53636, 61162, 61798, 64607, 122324, 123596, 129214, 145981, 258428, 291962, 336391, 583924, 672782, 703363, 710677, 1345564, 1406726, 1421354, 1620793, 2813452, 2842708, 3241586, 6483172, 7736993, 15473986, 17828723, 30947972, 35657446, 37278239, 71314892, 74556478, 149112956, 410060629, 820121258, 1640242516]

約数ペア:

[(1, 1640242516), (2, 820121258), (4, 410060629), (11, 149112956), (22, 74556478), (23, 71314892), (44, 37278239), (46, 35657446), (53, 30947972), (92, 17828723), (106, 15473986), (212, 7736993), (253, 6483172), (506, 3241586), (577, 2842708), (583, 2813452), (1012, 1620793), (1154, 1421354), (1166, 1406726), (1219, 1345564), (2308, 710677), (2332, 703363), (2438, 672782), (2809, 583924), (4876, 336391), (5618, 291962), (6347, 258428), (11236, 145981), (12694, 129214), (13271, 123596), (13409, 122324), (25388, 64607), (26542, 61798), (26818, 61162), (30581, 53636), (30899, 53084)]