217951566

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1\times {\mathrm{293}}^1$

素因数の和:593

約数の個数: 64

約数和(自身を含む): 508032000

約数和(自身を除く): 290080434

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 89, 178, 199, 267, 293, 398, 534, 586, 597, 623, 879, 1194, 1246, 1393, 1758, 1869, 2051, 2786, 3738, 4102, 4179, 6153, 8358, 12306, 17711, 26077, 35422, 52154, 53133, 58307, 78231, 106266, 116614, 123977, 156462, 174921, 182539, 247954, 349842, 365078, 371931, 408149, 547617, 743862, 816298, 1095234, 1224447, 2448894, 5189323, 10378646, 15567969, 31135938, 36325261, 72650522, 108975783, 217951566]

約数ペア:

[(1, 217951566), (2, 108975783), (3, 72650522), (6, 36325261), (7, 31135938), (14, 15567969), (21, 10378646), (42, 5189323), (89, 2448894), (178, 1224447), (199, 1095234), (267, 816298), (293, 743862), (398, 547617), (534, 408149), (586, 371931), (597, 365078), (623, 349842), (879, 247954), (1194, 182539), (1246, 174921), (1393, 156462), (1758, 123977), (1869, 116614), (2051, 106266), (2786, 78231), (3738, 58307), (4102, 53133), (4179, 52154), (6153, 35422), (8358, 26077), (12306, 17711)]