81336374

素因数分解:

$2^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{653}}^1$

素因数の和:741

約数の個数: 48

約数和(自身を含む): 150304896

約数和(自身を除く): 68968522

約数列:

[1, 2, 7, 14, 31, 41, 49, 62, 82, 98, 217, 287, 434, 574, 653, 1271, 1306, 1519, 2009, 2542, 3038, 4018, 4571, 8897, 9142, 17794, 20243, 26773, 31997, 40486, 53546, 62279, 63994, 124558, 141701, 187411, 283402, 374822, 829963, 991907, 1311877, 1659926, 1983814, 2623754, 5809741, 11619482, 40668187, 81336374]

約数ペア:

[(1, 81336374), (2, 40668187), (7, 11619482), (14, 5809741), (31, 2623754), (41, 1983814), (49, 1659926), (62, 1311877), (82, 991907), (98, 829963), (217, 374822), (287, 283402), (434, 187411), (574, 141701), (653, 124558), (1271, 63994), (1306, 62279), (1519, 53546), (2009, 40486), (2542, 31997), (3038, 26773), (4018, 20243), (4571, 17794), (8897, 9142)]