81357504

素因数分解:

$2^6\times 3^1\times {\mathrm{643}}^1\times {\mathrm{659}}^1$

素因数の和:1317

約数の個数: 56

約数和(自身を含む): 215920320

約数和(自身を除く): 134562816

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 192, 643, 659, 1286, 1318, 1929, 1977, 2572, 2636, 3858, 3954, 5144, 5272, 7716, 7908, 10288, 10544, 15432, 15816, 20576, 21088, 30864, 31632, 41152, 42176, 61728, 63264, 123456, 126528, 423737, 847474, 1271211, 1694948, 2542422, 3389896, 5084844, 6779792, 10169688, 13559584, 20339376, 27119168, 40678752, 81357504]

約数ペア:

[(1, 81357504), (2, 40678752), (3, 27119168), (4, 20339376), (6, 13559584), (8, 10169688), (12, 6779792), (16, 5084844), (24, 3389896), (32, 2542422), (48, 1694948), (64, 1271211), (96, 847474), (192, 423737), (643, 126528), (659, 123456), (1286, 63264), (1318, 61728), (1929, 42176), (1977, 41152), (2572, 31632), (2636, 30864), (3858, 21088), (3954, 20576), (5144, 15816), (5272, 15432), (7716, 10544), (7908, 10288)]