81087056

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{251}}^1\times {\mathrm{331}}^1$

素因数の和:651

約数の個数: 40

約数和(自身を含む): 160802208

約数和(自身を除く): 79715152

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 251, 331, 488, 502, 662, 976, 1004, 1324, 2008, 2648, 4016, 5296, 15311, 20191, 30622, 40382, 61244, 80764, 83081, 122488, 161528, 166162, 244976, 323056, 332324, 664648, 1329296, 5067941, 10135882, 20271764, 40543528, 81087056]

約数ペア:

[(1, 81087056), (2, 40543528), (4, 20271764), (8, 10135882), (16, 5067941), (61, 1329296), (122, 664648), (244, 332324), (251, 323056), (331, 244976), (488, 166162), (502, 161528), (662, 122488), (976, 83081), (1004, 80764), (1324, 61244), (2008, 40382), (2648, 30622), (4016, 20191), (5296, 15311)]