28710325

素因数分解:

$5^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1019}}^1$

素因数の和:1066

約数の個数: 36

約数和(自身を含む): 43256160

約数和(自身を除く): 14545835

約数列:

[1, 5, 7, 23, 25, 35, 49, 115, 161, 175, 245, 575, 805, 1019, 1127, 1225, 4025, 5095, 5635, 7133, 23437, 25475, 28175, 35665, 49931, 117185, 164059, 178325, 249655, 585925, 820295, 1148413, 1248275, 4101475, 5742065, 28710325]

約数ペア:

[(1, 28710325), (5, 5742065), (7, 4101475), (23, 1248275), (25, 1148413), (35, 820295), (49, 585925), (115, 249655), (161, 178325), (175, 164059), (245, 117185), (575, 49931), (805, 35665), (1019, 28175), (1127, 25475), (1225, 23437), (4025, 7133), (5095, 5635)]