156979672

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{509}}^1\times {\mathrm{2029}}^1$

素因数の和:2563

約数の個数: 32

約数和(自身を含む): 310590000

約数和(自身を除く): 153610328

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 509, 1018, 2029, 2036, 4058, 4072, 8116, 9671, 16232, 19342, 38551, 38684, 77102, 77368, 154204, 308408, 1032761, 2065522, 4131044, 8262088, 19622459, 39244918, 78489836, 156979672]

約数ペア:

[(1, 156979672), (2, 78489836), (4, 39244918), (8, 19622459), (19, 8262088), (38, 4131044), (76, 2065522), (152, 1032761), (509, 308408), (1018, 154204), (2029, 77368), (2036, 77102), (4058, 38684), (4072, 38551), (8116, 19342), (9671, 16232)]