78279145

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{2221}}^1$

素因数の和:2305

約数の個数: 32

約数和(自身を含む): 115188480

約数和(自身を除く): 36909335

約数列:

[1, 5, 7, 19, 35, 53, 95, 133, 265, 371, 665, 1007, 1855, 2221, 5035, 7049, 11105, 15547, 35245, 42199, 77735, 117713, 210995, 295393, 588565, 823991, 1476965, 2236547, 4119955, 11182735, 15655829, 78279145]

約数ペア:

[(1, 78279145), (5, 15655829), (7, 11182735), (19, 4119955), (35, 2236547), (53, 1476965), (95, 823991), (133, 588565), (265, 295393), (371, 210995), (665, 117713), (1007, 77735), (1855, 42199), (2221, 35245), (5035, 15547), (7049, 11105)]