131495945

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{379}}^1\times {\mathrm{431}}^1$

素因数の和:845

約数の個数: 32

約数和(自身を含む): 189112320

約数和(自身を除く): 57616375

約数列:

[1, 5, 7, 23, 35, 115, 161, 379, 431, 805, 1895, 2155, 2653, 3017, 8717, 9913, 13265, 15085, 43585, 49565, 61019, 69391, 163349, 305095, 346955, 816745, 1143443, 3757027, 5717215, 18785135, 26299189, 131495945]

約数ペア:

[(1, 131495945), (5, 26299189), (7, 18785135), (23, 5717215), (35, 3757027), (115, 1143443), (161, 816745), (379, 346955), (431, 305095), (805, 163349), (1895, 69391), (2155, 61019), (2653, 49565), (3017, 43585), (8717, 15085), (9913, 13265)]