71442623

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:287

約数の個数: 32

約数和(自身を含む): 89026560

約数和(自身を除く): 17583937

約数列:

[1, 7, 23, 41, 79, 137, 161, 287, 553, 943, 959, 1817, 3151, 3239, 5617, 6601, 10823, 12719, 22057, 22673, 39319, 74497, 75761, 129191, 248929, 443743, 521479, 904337, 1742503, 3106201, 10206089, 71442623]

約数ペア:

[(1, 71442623), (7, 10206089), (23, 3106201), (41, 1742503), (79, 904337), (137, 521479), (161, 443743), (287, 248929), (553, 129191), (943, 75761), (959, 74497), (1817, 39319), (3151, 22673), (3239, 22057), (5617, 12719), (6601, 10823)]