1888993246

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{2003}}^1$

素因数の和:2137

約数の個数: 64

約数和(自身を含む): 3490615296

約数和(自身を除く): 1601622050

約数列:

[1, 2, 7, 14, 31, 41, 53, 62, 82, 106, 217, 287, 371, 434, 574, 742, 1271, 1643, 2003, 2173, 2542, 3286, 4006, 4346, 8897, 11501, 14021, 15211, 17794, 23002, 28042, 30422, 62093, 67363, 82123, 106159, 124186, 134726, 164246, 212318, 434651, 471541, 574861, 743113, 869302, 943082, 1149722, 1486226, 2545813, 3290929, 4352519, 5091626, 6581858, 8705038, 17820691, 23036503, 30467633, 35641382, 46073006, 60935266, 134928089, 269856178, 944496623, 1888993246]

約数ペア:

[(1, 1888993246), (2, 944496623), (7, 269856178), (14, 134928089), (31, 60935266), (41, 46073006), (53, 35641382), (62, 30467633), (82, 23036503), (106, 17820691), (217, 8705038), (287, 6581858), (371, 5091626), (434, 4352519), (574, 3290929), (742, 2545813), (1271, 1486226), (1643, 1149722), (2003, 943082), (2173, 869302), (2542, 743113), (3286, 574861), (4006, 471541), (4346, 434651), (8897, 212318), (11501, 164246), (14021, 134726), (15211, 124186), (17794, 106159), (23002, 82123), (28042, 67363), (30422, 62093)]