2078204685487

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{7457}}^1\times {\mathrm{13877}}^1$

素因数の和:21511

約数の個数: 32

約数和(自身を含む): 2517171655680

約数和(自身を除く): 438966970193

約数列:

[1, 7, 19, 133, 151, 1057, 2869, 7457, 13877, 20083, 52199, 97139, 141683, 263663, 991781, 1126007, 1845641, 2095427, 7882049, 14667989, 21394133, 39813113, 103480789, 149758931, 278691791, 724365523, 1966134991, 13762944937, 15625599139, 109379193973, 296886383641, 2078204685487]

約数ペア:

[(1, 2078204685487), (7, 296886383641), (19, 109379193973), (133, 15625599139), (151, 13762944937), (1057, 1966134991), (2869, 724365523), (7457, 278691791), (13877, 149758931), (20083, 103480789), (52199, 39813113), (97139, 21394133), (141683, 14667989), (263663, 7882049), (991781, 2095427), (1126007, 1845641)]