84401330

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{1669}}^1$

素因数の和:2078

約数の個数: 32

約数和(自身を含む): 164127600

約数和(自身を除く): 79726270

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 389, 778, 1669, 1945, 3338, 3890, 5057, 8345, 10114, 16690, 21697, 25285, 43394, 50570, 108485, 216970, 649241, 1298482, 3246205, 6492410, 8440133, 16880266, 42200665, 84401330]

約数ペア:

[(1, 84401330), (2, 42200665), (5, 16880266), (10, 8440133), (13, 6492410), (26, 3246205), (65, 1298482), (130, 649241), (389, 216970), (778, 108485), (1669, 50570), (1945, 43394), (3338, 25285), (3890, 21697), (5057, 16690), (8345, 10114)]