1620874906

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{641}}^1\times {\mathrm{7853}}^1$

素因数の和:8526

約数の個数: 32

約数和(自身を含む): 2904346368

約数和(自身を除く): 1283471462

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 641, 1282, 4487, 7853, 8974, 14743, 15706, 29486, 54971, 103201, 109942, 180619, 206402, 361238, 1264333, 2528666, 5033773, 10067546, 35236411, 70472822, 115776779, 231553558, 810437453, 1620874906]

約数ペア:

[(1, 1620874906), (2, 810437453), (7, 231553558), (14, 115776779), (23, 70472822), (46, 35236411), (161, 10067546), (322, 5033773), (641, 2528666), (1282, 1264333), (4487, 361238), (7853, 206402), (8974, 180619), (14743, 109942), (15706, 103201), (29486, 54971)]