215820928

素因数分解:

$2^7\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{211}}^1$

素因数の和:417

約数の個数: 64

約数和(自身を含む): 442427040

約数和(自身を除く): 226606112

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 128, 131, 211, 244, 262, 422, 488, 524, 844, 976, 1048, 1688, 1952, 2096, 3376, 3904, 4192, 6752, 7808, 7991, 8384, 12871, 13504, 15982, 16768, 25742, 27008, 27641, 31964, 51484, 55282, 63928, 102968, 110564, 127856, 205936, 221128, 255712, 411872, 442256, 511424, 823744, 884512, 1022848, 1647488, 1686101, 1769024, 3372202, 3538048, 6744404, 13488808, 26977616, 53955232, 107910464, 215820928]

約数ペア:

[(1, 215820928), (2, 107910464), (4, 53955232), (8, 26977616), (16, 13488808), (32, 6744404), (61, 3538048), (64, 3372202), (122, 1769024), (128, 1686101), (131, 1647488), (211, 1022848), (244, 884512), (262, 823744), (422, 511424), (488, 442256), (524, 411872), (844, 255712), (976, 221128), (1048, 205936), (1688, 127856), (1952, 110564), (2096, 102968), (3376, 63928), (3904, 55282), (4192, 51484), (6752, 31964), (7808, 27641), (7991, 27008), (8384, 25742), (12871, 16768), (13504, 15982)]