261006528

素因数分解:

$2^6\times 3^1\times {\mathrm{421}}^1\times {\mathrm{3229}}^1$

素因数の和:3665

約数の個数: 56

約数和(自身を含む): 692434480

約数和(自身を除く): 431427952

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 192, 421, 842, 1263, 1684, 2526, 3229, 3368, 5052, 6458, 6736, 9687, 10104, 12916, 13472, 19374, 20208, 25832, 26944, 38748, 40416, 51664, 77496, 80832, 103328, 154992, 206656, 309984, 619968, 1359409, 2718818, 4078227, 5437636, 8156454, 10875272, 16312908, 21750544, 32625816, 43501088, 65251632, 87002176, 130503264, 261006528]

約数ペア:

[(1, 261006528), (2, 130503264), (3, 87002176), (4, 65251632), (6, 43501088), (8, 32625816), (12, 21750544), (16, 16312908), (24, 10875272), (32, 8156454), (48, 5437636), (64, 4078227), (96, 2718818), (192, 1359409), (421, 619968), (842, 309984), (1263, 206656), (1684, 154992), (2526, 103328), (3229, 80832), (3368, 77496), (5052, 51664), (6458, 40416), (6736, 38748), (9687, 26944), (10104, 25832), (12916, 20208), (13472, 19374)]