87343988

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{283}}^1$

素因数の和:468

約数の個数: 48

約数和(自身を含む): 167946240

約数和(自身を除く): 80602252

約数列:

[1, 2, 4, 19, 31, 38, 62, 76, 124, 131, 262, 283, 524, 566, 589, 1132, 1178, 2356, 2489, 4061, 4978, 5377, 8122, 8773, 9956, 10754, 16244, 17546, 21508, 35092, 37073, 74146, 77159, 148292, 154318, 166687, 308636, 333374, 666748, 704387, 1149263, 1408774, 2298526, 2817548, 4597052, 21835997, 43671994, 87343988]

約数ペア:

[(1, 87343988), (2, 43671994), (4, 21835997), (19, 4597052), (31, 2817548), (38, 2298526), (62, 1408774), (76, 1149263), (124, 704387), (131, 666748), (262, 333374), (283, 308636), (524, 166687), (566, 154318), (589, 148292), (1132, 77159), (1178, 74146), (2356, 37073), (2489, 35092), (4061, 21508), (4978, 17546), (5377, 16244), (8122, 10754), (8773, 9956)]