129278618

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{2143}}^1$

素因数の和:2322

約数の個数: 32

約数和(自身を含む): 230522880

約数和(自身を除く): 101244262

約数列:

[1, 2, 7, 14, 31, 62, 139, 217, 278, 434, 973, 1946, 2143, 4286, 4309, 8618, 15001, 30002, 30163, 60326, 66433, 132866, 297877, 465031, 595754, 930062, 2085139, 4170278, 9234187, 18468374, 64639309, 129278618]

約数ペア:

[(1, 129278618), (2, 64639309), (7, 18468374), (14, 9234187), (31, 4170278), (62, 2085139), (139, 930062), (217, 595754), (278, 465031), (434, 297877), (973, 132866), (1946, 66433), (2143, 60326), (4286, 30163), (4309, 30002), (8618, 15001)]