1980398

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:236

約数の個数: 32

約数和(自身を含む): 3685824

約数和(自身を除く): 1705426

約数列:

[1, 2, 7, 14, 17, 34, 53, 106, 119, 157, 238, 314, 371, 742, 901, 1099, 1802, 2198, 2669, 5338, 6307, 8321, 12614, 16642, 18683, 37366, 58247, 116494, 141457, 282914, 990199, 1980398]

約数ペア:

[(1, 1980398), (2, 990199), (7, 282914), (14, 141457), (17, 116494), (34, 58247), (53, 37366), (106, 18683), (119, 16642), (157, 12614), (238, 8321), (314, 6307), (371, 5338), (742, 2669), (901, 2198), (1099, 1802)]