205126628

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^2\times {\mathrm{31}}^1\times {\mathrm{281}}^1$

素因数の和:381

約数の個数: 72

約数和(自身を含む): 440154624

約数和(自身を除く): 235027996

約数列:

[1, 2, 4, 7, 14, 28, 29, 31, 58, 62, 116, 124, 203, 217, 281, 406, 434, 562, 812, 841, 868, 899, 1124, 1682, 1798, 1967, 3364, 3596, 3934, 5887, 6293, 7868, 8149, 8711, 11774, 12586, 16298, 17422, 23548, 25172, 26071, 32596, 34844, 52142, 57043, 60977, 104284, 114086, 121954, 182497, 228172, 236321, 243908, 252619, 364994, 472642, 505238, 729988, 945284, 1010476, 1654247, 1768333, 3308494, 3536666, 6616988, 7073332, 7325951, 14651902, 29303804, 51281657, 102563314, 205126628]

約数ペア:

[(1, 205126628), (2, 102563314), (4, 51281657), (7, 29303804), (14, 14651902), (28, 7325951), (29, 7073332), (31, 6616988), (58, 3536666), (62, 3308494), (116, 1768333), (124, 1654247), (203, 1010476), (217, 945284), (281, 729988), (406, 505238), (434, 472642), (562, 364994), (812, 252619), (841, 243908), (868, 236321), (899, 228172), (1124, 182497), (1682, 121954), (1798, 114086), (1967, 104284), (3364, 60977), (3596, 57043), (3934, 52142), (5887, 34844), (6293, 32596), (7868, 26071), (8149, 25172), (8711, 23548), (11774, 17422), (12586, 16298)]