636741376

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1201}}^1$

素因数の和:1345

約数の個数: 72

約数和(自身を含む): 1351288400

約数和(自身を除く): 714547024

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 109, 128, 152, 218, 256, 304, 436, 608, 872, 1201, 1216, 1744, 2071, 2402, 2432, 3488, 4142, 4804, 4864, 6976, 8284, 9608, 13952, 16568, 19216, 22819, 27904, 33136, 38432, 45638, 66272, 76864, 91276, 130909, 132544, 153728, 182552, 261818, 265088, 307456, 365104, 523636, 530176, 730208, 1047272, 1460416, 2094544, 2487271, 2920832, 4189088, 4974542, 5841664, 8378176, 9949084, 16756352, 19898168, 33512704, 39796336, 79592672, 159185344, 318370688, 636741376]

約数ペア:

[(1, 636741376), (2, 318370688), (4, 159185344), (8, 79592672), (16, 39796336), (19, 33512704), (32, 19898168), (38, 16756352), (64, 9949084), (76, 8378176), (109, 5841664), (128, 4974542), (152, 4189088), (218, 2920832), (256, 2487271), (304, 2094544), (436, 1460416), (608, 1047272), (872, 730208), (1201, 530176), (1216, 523636), (1744, 365104), (2071, 307456), (2402, 265088), (2432, 261818), (3488, 182552), (4142, 153728), (4804, 132544), (4864, 130909), (6976, 91276), (8284, 76864), (9608, 66272), (13952, 45638), (16568, 38432), (19216, 33136), (22819, 27904)]