257336928

素因数分解:

$2^5\times 3^2\times {\mathrm{443}}^1\times {\mathrm{2017}}^1$

素因数の和:2476

約数の個数: 72

約数和(自身を含む): 733817448

約数和(自身を除く): 476480520

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 443, 886, 1329, 1772, 2017, 2658, 3544, 3987, 4034, 5316, 6051, 7088, 7974, 8068, 10632, 12102, 14176, 15948, 16136, 18153, 21264, 24204, 31896, 32272, 36306, 42528, 48408, 63792, 64544, 72612, 96816, 127584, 145224, 193632, 290448, 580896, 893531, 1787062, 2680593, 3574124, 5361186, 7148248, 8041779, 10722372, 14296496, 16083558, 21444744, 28592992, 32167116, 42889488, 64334232, 85778976, 128668464, 257336928]

約数ペア:

[(1, 257336928), (2, 128668464), (3, 85778976), (4, 64334232), (6, 42889488), (8, 32167116), (9, 28592992), (12, 21444744), (16, 16083558), (18, 14296496), (24, 10722372), (32, 8041779), (36, 7148248), (48, 5361186), (72, 3574124), (96, 2680593), (144, 1787062), (288, 893531), (443, 580896), (886, 290448), (1329, 193632), (1772, 145224), (2017, 127584), (2658, 96816), (3544, 72612), (3987, 64544), (4034, 63792), (5316, 48408), (6051, 42528), (7088, 36306), (7974, 32272), (8068, 31896), (10632, 24204), (12102, 21264), (14176, 18153), (15948, 16136)]