4489888

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1$

素因数の和:317

約数の個数: 48

約数和(自身を含む): 9779616

約数和(自身を除く): 5289728

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 86, 104, 172, 208, 251, 344, 416, 502, 559, 688, 1004, 1118, 1376, 2008, 2236, 3263, 4016, 4472, 6526, 8032, 8944, 10793, 13052, 17888, 21586, 26104, 43172, 52208, 86344, 104416, 140309, 172688, 280618, 345376, 561236, 1122472, 2244944, 4489888]

約数ペア:

[(1, 4489888), (2, 2244944), (4, 1122472), (8, 561236), (13, 345376), (16, 280618), (26, 172688), (32, 140309), (43, 104416), (52, 86344), (86, 52208), (104, 43172), (172, 26104), (208, 21586), (251, 17888), (344, 13052), (416, 10793), (502, 8944), (559, 8032), (688, 6526), (1004, 4472), (1118, 4016), (1376, 3263), (2008, 2236)]