401006648

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{241}}^1\times {\mathrm{691}}^1$

素因数の和:988

約数の個数: 64

約数和(自身を含む): 884209920

約数和(自身を除く): 483203272

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 241, 301, 344, 482, 602, 691, 964, 1204, 1382, 1687, 1928, 2408, 2764, 3374, 4837, 5528, 6748, 9674, 10363, 13496, 19348, 20726, 29713, 38696, 41452, 59426, 72541, 82904, 118852, 145082, 166531, 207991, 237704, 290164, 333062, 415982, 580328, 666124, 831964, 1165717, 1332248, 1663928, 2331434, 4662868, 7160833, 9325736, 14321666, 28643332, 50125831, 57286664, 100251662, 200503324, 401006648]

約数ペア:

[(1, 401006648), (2, 200503324), (4, 100251662), (7, 57286664), (8, 50125831), (14, 28643332), (28, 14321666), (43, 9325736), (56, 7160833), (86, 4662868), (172, 2331434), (241, 1663928), (301, 1332248), (344, 1165717), (482, 831964), (602, 666124), (691, 580328), (964, 415982), (1204, 333062), (1382, 290164), (1687, 237704), (1928, 207991), (2408, 166531), (2764, 145082), (3374, 118852), (4837, 82904), (5528, 72541), (6748, 59426), (9674, 41452), (10363, 38696), (13496, 29713), (19348, 20726)]