217938928

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{4937}}^1$

素因数の和:5065

約数の個数: 40

約数和(自身を含む): 440864640

約数和(自身を除く): 222925712

約数列:

[1, 2, 4, 8, 16, 31, 62, 89, 124, 178, 248, 356, 496, 712, 1424, 2759, 4937, 5518, 9874, 11036, 19748, 22072, 39496, 44144, 78992, 153047, 306094, 439393, 612188, 878786, 1224376, 1757572, 2448752, 3515144, 7030288, 13621183, 27242366, 54484732, 108969464, 217938928]

約数ペア:

[(1, 217938928), (2, 108969464), (4, 54484732), (8, 27242366), (16, 13621183), (31, 7030288), (62, 3515144), (89, 2448752), (124, 1757572), (178, 1224376), (248, 878786), (356, 612188), (496, 439393), (712, 306094), (1424, 153047), (2759, 78992), (4937, 44144), (5518, 39496), (9874, 22072), (11036, 19748)]