89860990

素因数分解:

$2^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{281}}^1\times {\mathrm{283}}^1$

素因数の和:684

約数の個数: 32

約数和(自身を含む): 164340576

約数和(自身を除く): 74479586

約数列:

[1, 2, 5, 10, 113, 226, 281, 283, 562, 565, 566, 1130, 1405, 1415, 2810, 2830, 31753, 31979, 63506, 63958, 79523, 158765, 159046, 159895, 317530, 319790, 397615, 795230, 8986099, 17972198, 44930495, 89860990]

約数ペア:

[(1, 89860990), (2, 44930495), (5, 17972198), (10, 8986099), (113, 795230), (226, 397615), (281, 319790), (283, 317530), (562, 159895), (565, 159046), (566, 158765), (1130, 79523), (1405, 63958), (1415, 63506), (2810, 31979), (2830, 31753)]