287548144

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{173}}^1$

素因数の和:386

約数の個数: 80

約数和(自身を含む): 618022944

約数和(自身を除く): 330474800

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 61, 104, 122, 131, 173, 208, 244, 262, 346, 488, 524, 692, 793, 976, 1048, 1384, 1586, 1703, 2096, 2249, 2768, 3172, 3406, 4498, 6344, 6812, 7991, 8996, 10553, 12688, 13624, 15982, 17992, 21106, 22663, 27248, 31964, 35984, 42212, 45326, 63928, 84424, 90652, 103883, 127856, 137189, 168848, 181304, 207766, 274378, 294619, 362608, 415532, 548756, 589238, 831064, 1097512, 1178476, 1382443, 1662128, 2195024, 2356952, 2764886, 4713904, 5529772, 11059544, 17971759, 22119088, 35943518, 71887036, 143774072, 287548144]

約数ペア:

[(1, 287548144), (2, 143774072), (4, 71887036), (8, 35943518), (13, 22119088), (16, 17971759), (26, 11059544), (52, 5529772), (61, 4713904), (104, 2764886), (122, 2356952), (131, 2195024), (173, 1662128), (208, 1382443), (244, 1178476), (262, 1097512), (346, 831064), (488, 589238), (524, 548756), (692, 415532), (793, 362608), (976, 294619), (1048, 274378), (1384, 207766), (1586, 181304), (1703, 168848), (2096, 137189), (2249, 127856), (2768, 103883), (3172, 90652), (3406, 84424), (4498, 63928), (6344, 45326), (6812, 42212), (7991, 35984), (8996, 31964), (10553, 27248), (12688, 22663), (13624, 21106), (15982, 17992)]