1640536

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1$

素因数の和:319

約数の個数: 32

約数和(自身を含む): 3326400

約数和(自身を除く): 1685864

約数列:

[1, 2, 4, 8, 19, 38, 43, 76, 86, 152, 172, 251, 344, 502, 817, 1004, 1634, 2008, 3268, 4769, 6536, 9538, 10793, 19076, 21586, 38152, 43172, 86344, 205067, 410134, 820268, 1640536]

約数ペア:

[(1, 1640536), (2, 820268), (4, 410134), (8, 205067), (19, 86344), (38, 43172), (43, 38152), (76, 21586), (86, 19076), (152, 10793), (172, 9538), (251, 6536), (344, 4769), (502, 3268), (817, 2008), (1004, 1634)]