639479296

素因数分解:

$2^9\times {\mathrm{41}}^2\times {\mathrm{743}}^1$

素因数の和:843

約数の個数: 60

約数和(自身を含む): 1311395976

約数和(自身を除く): 671916680

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 128, 164, 256, 328, 512, 656, 743, 1312, 1486, 1681, 2624, 2972, 3362, 5248, 5944, 6724, 10496, 11888, 13448, 20992, 23776, 26896, 30463, 47552, 53792, 60926, 95104, 107584, 121852, 190208, 215168, 243704, 380416, 430336, 487408, 860672, 974816, 1248983, 1949632, 2497966, 3899264, 4995932, 7798528, 9991864, 15597056, 19983728, 39967456, 79934912, 159869824, 319739648, 639479296]

約数ペア:

[(1, 639479296), (2, 319739648), (4, 159869824), (8, 79934912), (16, 39967456), (32, 19983728), (41, 15597056), (64, 9991864), (82, 7798528), (128, 4995932), (164, 3899264), (256, 2497966), (328, 1949632), (512, 1248983), (656, 974816), (743, 860672), (1312, 487408), (1486, 430336), (1681, 380416), (2624, 243704), (2972, 215168), (3362, 190208), (5248, 121852), (5944, 107584), (6724, 95104), (10496, 60926), (11888, 53792), (13448, 47552), (20992, 30463), (23776, 26896)]