66873856

素因数分解:

$2^9\times 7^1\times {\mathrm{47}}^1\times {\mathrm{397}}^1$

素因数の和:469

約数の個数: 80

約数和(自身を含む): 156347136

約数和(自身を除く): 89473280

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 47, 56, 64, 94, 112, 128, 188, 224, 256, 329, 376, 397, 448, 512, 658, 752, 794, 896, 1316, 1504, 1588, 1792, 2632, 2779, 3008, 3176, 3584, 5264, 5558, 6016, 6352, 10528, 11116, 12032, 12704, 18659, 21056, 22232, 24064, 25408, 37318, 42112, 44464, 50816, 74636, 84224, 88928, 101632, 130613, 149272, 168448, 177856, 203264, 261226, 298544, 355712, 522452, 597088, 711424, 1044904, 1194176, 1422848, 2089808, 2388352, 4179616, 4776704, 8359232, 9553408, 16718464, 33436928, 66873856]

約数ペア:

[(1, 66873856), (2, 33436928), (4, 16718464), (7, 9553408), (8, 8359232), (14, 4776704), (16, 4179616), (28, 2388352), (32, 2089808), (47, 1422848), (56, 1194176), (64, 1044904), (94, 711424), (112, 597088), (128, 522452), (188, 355712), (224, 298544), (256, 261226), (329, 203264), (376, 177856), (397, 168448), (448, 149272), (512, 130613), (658, 101632), (752, 88928), (794, 84224), (896, 74636), (1316, 50816), (1504, 44464), (1588, 42112), (1792, 37318), (2632, 25408), (2779, 24064), (3008, 22232), (3176, 21056), (3584, 18659), (5264, 12704), (5558, 12032), (6016, 11116), (6352, 10528)]