215046902

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{167}}^1$

素因数の和:345

約数の個数: 64

約数和(自身を含む): 402554880

約数和(自身を除く): 187507978

約数列:

[1, 2, 7, 14, 19, 38, 47, 94, 103, 133, 167, 206, 266, 329, 334, 658, 721, 893, 1169, 1442, 1786, 1957, 2338, 3173, 3914, 4841, 6251, 6346, 7849, 9682, 12502, 13699, 15698, 17201, 22211, 27398, 33887, 34402, 44422, 54943, 67774, 91979, 109886, 120407, 149131, 183958, 240814, 298262, 326819, 643853, 653638, 808447, 1043917, 1287706, 1616894, 2087834, 2287733, 4575466, 5659129, 11318258, 15360493, 30720986, 107523451, 215046902]

約数ペア:

[(1, 215046902), (2, 107523451), (7, 30720986), (14, 15360493), (19, 11318258), (38, 5659129), (47, 4575466), (94, 2287733), (103, 2087834), (133, 1616894), (167, 1287706), (206, 1043917), (266, 808447), (329, 653638), (334, 643853), (658, 326819), (721, 298262), (893, 240814), (1169, 183958), (1442, 149131), (1786, 120407), (1957, 109886), (2338, 91979), (3173, 67774), (3914, 54943), (4841, 44422), (6251, 34402), (6346, 33887), (7849, 27398), (9682, 22211), (12502, 17201), (13699, 15698)]