261730263172

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2137}}^1\times {\mathrm{71707}}^1$

素因数の和:73916

約数の個数: 48

約数和(自身を含む): 532298236288

約数和(自身を除く): 270567973116

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 2137, 4274, 8548, 14959, 29918, 59836, 71707, 130357, 143414, 260714, 286828, 501949, 521428, 912499, 1003898, 1824998, 2007796, 3649996, 4374127, 8748254, 17496508, 30618889, 61237778, 122475556, 153237859, 306475718, 612951436, 1072665013, 2145330026, 4290660052, 9347509399, 18695018798, 37390037596, 65432565793, 130865131586, 261730263172]

約数ペア:

[(1, 261730263172), (2, 130865131586), (4, 65432565793), (7, 37390037596), (14, 18695018798), (28, 9347509399), (61, 4290660052), (122, 2145330026), (244, 1072665013), (427, 612951436), (854, 306475718), (1708, 153237859), (2137, 122475556), (4274, 61237778), (8548, 30618889), (14959, 17496508), (29918, 8748254), (59836, 4374127), (71707, 3649996), (130357, 2007796), (143414, 1824998), (260714, 1003898), (286828, 912499), (501949, 521428)]