80781148

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1\times {\mathrm{457}}^1$

素因数の和:634

約数の個数: 48

約数和(自身を含む): 166199040

約数和(自身を除く): 85417892

約数列:

[1, 2, 4, 7, 14, 28, 59, 107, 118, 214, 236, 413, 428, 457, 749, 826, 914, 1498, 1652, 1828, 2996, 3199, 6313, 6398, 12626, 12796, 25252, 26963, 44191, 48899, 53926, 88382, 97798, 107852, 176764, 188741, 195596, 342293, 377482, 684586, 754964, 1369172, 2885041, 5770082, 11540164, 20195287, 40390574, 80781148]

約数ペア:

[(1, 80781148), (2, 40390574), (4, 20195287), (7, 11540164), (14, 5770082), (28, 2885041), (59, 1369172), (107, 754964), (118, 684586), (214, 377482), (236, 342293), (413, 195596), (428, 188741), (457, 176764), (749, 107852), (826, 97798), (914, 88382), (1498, 53926), (1652, 48899), (1828, 44191), (2996, 26963), (3199, 25252), (6313, 12796), (6398, 12626)]