489375145

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{151}}^1$

素因数の和:326

約数の個数: 64

約数和(自身を含む): 728432640

約数和(自身を除く): 239057495

約数列:

[1, 5, 7, 29, 31, 35, 103, 145, 151, 155, 203, 217, 515, 721, 755, 899, 1015, 1057, 1085, 2987, 3193, 3605, 4379, 4495, 4681, 5285, 6293, 14935, 15553, 15965, 20909, 21895, 22351, 23405, 30653, 31465, 32767, 77765, 92597, 104545, 108871, 111755, 135749, 153265, 163835, 451037, 462985, 482143, 544355, 648179, 678745, 950243, 2255185, 2410715, 3157259, 3240895, 3375001, 4751215, 13982147, 15786295, 16875005, 69910735, 97875029, 489375145]

約数ペア:

[(1, 489375145), (5, 97875029), (7, 69910735), (29, 16875005), (31, 15786295), (35, 13982147), (103, 4751215), (145, 3375001), (151, 3240895), (155, 3157259), (203, 2410715), (217, 2255185), (515, 950243), (721, 678745), (755, 648179), (899, 544355), (1015, 482143), (1057, 462985), (1085, 451037), (2987, 163835), (3193, 153265), (3605, 135749), (4379, 111755), (4495, 108871), (4681, 104545), (5285, 92597), (6293, 77765), (14935, 32767), (15553, 31465), (15965, 30653), (20909, 23405), (21895, 22351)]