15901228

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{281}}^1$

素因数の和:382

約数の個数: 48

約数和(自身を含む): 33352704

約数和(自身を除く): 17451476

約数列:

[1, 2, 4, 7, 14, 28, 43, 47, 86, 94, 172, 188, 281, 301, 329, 562, 602, 658, 1124, 1204, 1316, 1967, 2021, 3934, 4042, 7868, 8084, 12083, 13207, 14147, 24166, 26414, 28294, 48332, 52828, 56588, 84581, 92449, 169162, 184898, 338324, 369796, 567901, 1135802, 2271604, 3975307, 7950614, 15901228]

約数ペア:

[(1, 15901228), (2, 7950614), (4, 3975307), (7, 2271604), (14, 1135802), (28, 567901), (43, 369796), (47, 338324), (86, 184898), (94, 169162), (172, 92449), (188, 84581), (281, 56588), (301, 52828), (329, 48332), (562, 28294), (602, 26414), (658, 24166), (1124, 14147), (1204, 13207), (1316, 12083), (1967, 8084), (2021, 7868), (3934, 4042)]