71320288

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{991}}^1$

素因数の和:1187

約数の個数: 48

約数和(自身を含む): 152240256

約数和(自身を除く): 80919968

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 173, 208, 346, 416, 692, 991, 1384, 1982, 2249, 2768, 3964, 4498, 5536, 7928, 8996, 12883, 15856, 17992, 25766, 31712, 35984, 51532, 71968, 103064, 171443, 206128, 342886, 412256, 685772, 1371544, 2228759, 2743088, 4457518, 5486176, 8915036, 17830072, 35660144, 71320288]

約数ペア:

[(1, 71320288), (2, 35660144), (4, 17830072), (8, 8915036), (13, 5486176), (16, 4457518), (26, 2743088), (32, 2228759), (52, 1371544), (104, 685772), (173, 412256), (208, 342886), (346, 206128), (416, 171443), (692, 103064), (991, 71968), (1384, 51532), (1982, 35984), (2249, 31712), (2768, 25766), (3964, 17992), (4498, 15856), (5536, 12883), (7928, 8996)]