181002128

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{10909}}^1$

素因数の和:10995

約数の個数: 40

約数和(自身を含む): 377442360

約数和(自身を除く): 196440232

約数列:

[1, 2, 4, 8, 16, 17, 34, 61, 68, 122, 136, 244, 272, 488, 976, 1037, 2074, 4148, 8296, 10909, 16592, 21818, 43636, 87272, 174544, 185453, 370906, 665449, 741812, 1330898, 1483624, 2661796, 2967248, 5323592, 10647184, 11312633, 22625266, 45250532, 90501064, 181002128]

約数ペア:

[(1, 181002128), (2, 90501064), (4, 45250532), (8, 22625266), (16, 11312633), (17, 10647184), (34, 5323592), (61, 2967248), (68, 2661796), (122, 1483624), (136, 1330898), (244, 741812), (272, 665449), (488, 370906), (976, 185453), (1037, 174544), (2074, 87272), (4148, 43636), (8296, 21818), (10909, 16592)]