201813983

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{353}}^1$

素因数の和:503

約数の個数: 32

約数和(自身を含む): 249578496

約数和(自身を除く): 47764513

約数列:

[1, 7, 23, 53, 67, 161, 353, 371, 469, 1219, 1541, 2471, 3551, 8119, 8533, 10787, 18709, 23651, 24857, 56833, 81673, 130963, 165557, 430307, 543973, 571711, 1253503, 3012149, 3807811, 8774521, 28830569, 201813983]

約数ペア:

[(1, 201813983), (7, 28830569), (23, 8774521), (53, 3807811), (67, 3012149), (161, 1253503), (353, 571711), (371, 543973), (469, 430307), (1219, 165557), (1541, 130963), (2471, 81673), (3551, 56833), (8119, 24857), (8533, 23651), (10787, 18709)]