256252256

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{1861}}^1$

素因数の和:2215

約数の個数: 48

約数和(自身を含む): 545238288

約数和(自身を除く): 288986032

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 331, 416, 662, 1324, 1861, 2648, 3722, 4303, 5296, 7444, 8606, 10592, 14888, 17212, 24193, 29776, 34424, 48386, 59552, 68848, 96772, 137696, 193544, 387088, 615991, 774176, 1231982, 2463964, 4927928, 8007883, 9855856, 16015766, 19711712, 32031532, 64063064, 128126128, 256252256]

約数ペア:

[(1, 256252256), (2, 128126128), (4, 64063064), (8, 32031532), (13, 19711712), (16, 16015766), (26, 9855856), (32, 8007883), (52, 4927928), (104, 2463964), (208, 1231982), (331, 774176), (416, 615991), (662, 387088), (1324, 193544), (1861, 137696), (2648, 96772), (3722, 68848), (4303, 59552), (5296, 48386), (7444, 34424), (8606, 29776), (10592, 24193), (14888, 17212)]