28871352

素因数分解:

$2^3\times 3^2\times {\mathrm{131}}^1\times {\mathrm{3061}}^1$

素因数の和:3204

約数の個数: 48

約数和(自身を含む): 78815880

約数和(自身を除く): 49944528

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 131, 262, 393, 524, 786, 1048, 1179, 1572, 2358, 3061, 3144, 4716, 6122, 9183, 9432, 12244, 18366, 24488, 27549, 36732, 55098, 73464, 110196, 220392, 400991, 801982, 1202973, 1603964, 2405946, 3207928, 3608919, 4811892, 7217838, 9623784, 14435676, 28871352]

約数ペア:

[(1, 28871352), (2, 14435676), (3, 9623784), (4, 7217838), (6, 4811892), (8, 3608919), (9, 3207928), (12, 2405946), (18, 1603964), (24, 1202973), (36, 801982), (72, 400991), (131, 220392), (262, 110196), (393, 73464), (524, 55098), (786, 36732), (1048, 27549), (1179, 24488), (1572, 18366), (2358, 12244), (3061, 9432), (3144, 9183), (4716, 6122)]