401039536

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{1319209}}^1$

素因数の和:1319236

約数の個数: 20

約数和(自身を含む): 817910200

約数和(自身を除く): 416870664

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 1319209, 2638418, 5276836, 10553672, 21107344, 25064971, 50129942, 100259884, 200519768, 401039536]

約数ペア:

[(1, 401039536), (2, 200519768), (4, 100259884), (8, 50129942), (16, 25064971), (19, 21107344), (38, 10553672), (76, 5276836), (152, 2638418), (304, 1319209)]