28641208

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{3089}}^1$

素因数の和:3175

約数の個数: 32

約数和(自身を含む): 57474000

約数和(自身を除く): 28832792

約数列:

[1, 2, 4, 8, 19, 38, 61, 76, 122, 152, 244, 488, 1159, 2318, 3089, 4636, 6178, 9272, 12356, 24712, 58691, 117382, 188429, 234764, 376858, 469528, 753716, 1507432, 3580151, 7160302, 14320604, 28641208]

約数ペア:

[(1, 28641208), (2, 14320604), (4, 7160302), (8, 3580151), (19, 1507432), (38, 753716), (61, 469528), (76, 376858), (122, 234764), (152, 188429), (244, 117382), (488, 58691), (1159, 24712), (2318, 12356), (3089, 9272), (4636, 6178)]