221163918

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{311}}^1$

素因数の和:473

約数の個数: 64

約数和(自身を含む): 473541120

約数和(自身を除く): 252377202

約数列:

[1, 2, 3, 6, 29, 58, 61, 67, 87, 122, 134, 174, 183, 201, 311, 366, 402, 622, 933, 1769, 1866, 1943, 3538, 3886, 4087, 5307, 5829, 8174, 9019, 10614, 11658, 12261, 18038, 18971, 20837, 24522, 27057, 37942, 41674, 54114, 56913, 62511, 113826, 118523, 125022, 237046, 355569, 550159, 604273, 711138, 1100318, 1208546, 1271057, 1650477, 1812819, 2542114, 3300954, 3625638, 3813171, 7626342, 36860653, 73721306, 110581959, 221163918]

約数ペア:

[(1, 221163918), (2, 110581959), (3, 73721306), (6, 36860653), (29, 7626342), (58, 3813171), (61, 3625638), (67, 3300954), (87, 2542114), (122, 1812819), (134, 1650477), (174, 1271057), (183, 1208546), (201, 1100318), (311, 711138), (366, 604273), (402, 550159), (622, 355569), (933, 237046), (1769, 125022), (1866, 118523), (1943, 113826), (3538, 62511), (3886, 56913), (4087, 54114), (5307, 41674), (5829, 37942), (8174, 27057), (9019, 24522), (10614, 20837), (11658, 18971), (12261, 18038)]