81656418

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{443}}^1\times {\mathrm{991}}^1$

素因数の和:1470

約数の個数: 32

約数和(自身を含む): 169132032

約数和(自身を除く): 87475614

約数列:

[1, 2, 3, 6, 31, 62, 93, 186, 443, 886, 991, 1329, 1982, 2658, 2973, 5946, 13733, 27466, 30721, 41199, 61442, 82398, 92163, 184326, 439013, 878026, 1317039, 2634078, 13609403, 27218806, 40828209, 81656418]

約数ペア:

[(1, 81656418), (2, 40828209), (3, 27218806), (6, 13609403), (31, 2634078), (62, 1317039), (93, 878026), (186, 439013), (443, 184326), (886, 92163), (991, 82398), (1329, 61442), (1982, 41199), (2658, 30721), (2973, 27466), (5946, 13733)]