161708238

素因数分解:

$2^1\times 3^6\times {\mathrm{197}}^1\times {\mathrm{563}}^1$

素因数の和:780

約数の個数: 56

約数和(自身を含む): 366172488

約数和(自身を除く): 204464250

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 197, 243, 394, 486, 563, 591, 729, 1126, 1182, 1458, 1689, 1773, 3378, 3546, 5067, 5319, 10134, 10638, 15201, 15957, 30402, 31914, 45603, 47871, 91206, 95742, 110911, 136809, 143613, 221822, 273618, 287226, 332733, 410427, 665466, 820854, 998199, 1996398, 2994597, 5989194, 8983791, 17967582, 26951373, 53902746, 80854119, 161708238]

約数ペア:

[(1, 161708238), (2, 80854119), (3, 53902746), (6, 26951373), (9, 17967582), (18, 8983791), (27, 5989194), (54, 2994597), (81, 1996398), (162, 998199), (197, 820854), (243, 665466), (394, 410427), (486, 332733), (563, 287226), (591, 273618), (729, 221822), (1126, 143613), (1182, 136809), (1458, 110911), (1689, 95742), (1773, 91206), (3378, 47871), (3546, 45603), (5067, 31914), (5319, 30402), (10134, 15957), (10638, 15201)]