25488728

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{2749}}^1$

素因数の和:2835

約数の個数: 32

約数和(自身を含む): 51150000

約数和(自身を除く): 25661272

約数列:

[1, 2, 4, 8, 19, 38, 61, 76, 122, 152, 244, 488, 1159, 2318, 2749, 4636, 5498, 9272, 10996, 21992, 52231, 104462, 167689, 208924, 335378, 417848, 670756, 1341512, 3186091, 6372182, 12744364, 25488728]

約数ペア:

[(1, 25488728), (2, 12744364), (4, 6372182), (8, 3186091), (19, 1341512), (38, 670756), (61, 417848), (76, 335378), (122, 208924), (152, 167689), (244, 104462), (488, 52231), (1159, 21992), (2318, 10996), (2749, 9272), (4636, 5498)]