128827904

素因数分解:

$2^9\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1$

素因数の和:114

約数の個数: 120

約数和(自身を含む): 294660828

約数和(自身を除く): 165832924

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 41, 64, 68, 76, 82, 128, 136, 152, 164, 256, 272, 304, 323, 328, 361, 512, 544, 608, 646, 656, 697, 722, 779, 1088, 1216, 1292, 1312, 1394, 1444, 1558, 2176, 2432, 2584, 2624, 2788, 2888, 3116, 4352, 4864, 5168, 5248, 5576, 5776, 6137, 6232, 8704, 9728, 10336, 10496, 11152, 11552, 12274, 12464, 13243, 14801, 20672, 20992, 22304, 23104, 24548, 24928, 26486, 29602, 41344, 44608, 46208, 49096, 49856, 52972, 59204, 82688, 89216, 92416, 98192, 99712, 105944, 118408, 165376, 178432, 184832, 196384, 199424, 211888, 236816, 251617, 356864, 392768, 398848, 423776, 473632, 503234, 785536, 847552, 947264, 1006468, 1571072, 1695104, 1894528, 2012936, 3142144, 3390208, 3789056, 4025872, 6780416, 7578112, 8051744, 16103488, 32206976, 64413952, 128827904]

約数ペア:

[(1, 128827904), (2, 64413952), (4, 32206976), (8, 16103488), (16, 8051744), (17, 7578112), (19, 6780416), (32, 4025872), (34, 3789056), (38, 3390208), (41, 3142144), (64, 2012936), (68, 1894528), (76, 1695104), (82, 1571072), (128, 1006468), (136, 947264), (152, 847552), (164, 785536), (256, 503234), (272, 473632), (304, 423776), (323, 398848), (328, 392768), (361, 356864), (512, 251617), (544, 236816), (608, 211888), (646, 199424), (656, 196384), (697, 184832), (722, 178432), (779, 165376), (1088, 118408), (1216, 105944), (1292, 99712), (1312, 98192), (1394, 92416), (1444, 89216), (1558, 82688), (2176, 59204), (2432, 52972), (2584, 49856), (2624, 49096), (2788, 46208), (2888, 44608), (3116, 41344), (4352, 29602), (4864, 26486), (5168, 24928), (5248, 24548), (5576, 23104), (5776, 22304), (6137, 20992), (6232, 20672), (8704, 14801), (9728, 13243), (10336, 12464), (10496, 12274), (11152, 11552)]