257017284

素因数分解:

$2^2\times 3^2\times {\mathrm{131}}^1\times {\mathrm{54499}}^1$

素因数の和:54640

約数の個数: 36

約数和(自身を含む): 654654000

約数和(自身を除く): 397636716

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 131, 262, 393, 524, 786, 1179, 1572, 2358, 4716, 54499, 108998, 163497, 217996, 326994, 490491, 653988, 980982, 1961964, 7139369, 14278738, 21418107, 28557476, 42836214, 64254321, 85672428, 128508642, 257017284]

約数ペア:

[(1, 257017284), (2, 128508642), (3, 85672428), (4, 64254321), (6, 42836214), (9, 28557476), (12, 21418107), (18, 14278738), (36, 7139369), (131, 1961964), (262, 980982), (393, 653988), (524, 490491), (786, 326994), (1179, 217996), (1572, 163497), (2358, 108998), (4716, 54499)]