81684104

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{307}}^1\times {\mathrm{421}}^1$

素因数の和:813

約数の個数: 32

約数和(自身を含む): 155971200

約数和(自身を除く): 74287096

約数列:

[1, 2, 4, 8, 79, 158, 307, 316, 421, 614, 632, 842, 1228, 1684, 2456, 3368, 24253, 33259, 48506, 66518, 97012, 129247, 133036, 194024, 258494, 266072, 516988, 1033976, 10210513, 20421026, 40842052, 81684104]

約数ペア:

[(1, 81684104), (2, 40842052), (4, 20421026), (8, 10210513), (79, 1033976), (158, 516988), (307, 266072), (316, 258494), (421, 194024), (614, 133036), (632, 129247), (842, 97012), (1228, 66518), (1684, 48506), (2456, 33259), (3368, 24253)]