203640385

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{911}}^1$

素因数の和:1129

約数の個数: 32

約数和(自身を含む): 278853120

約数和(自身を除く): 75212735

約数列:

[1, 5, 13, 19, 65, 95, 181, 247, 905, 911, 1235, 2353, 3439, 4555, 11765, 11843, 17195, 17309, 44707, 59215, 86545, 164891, 223535, 225017, 824455, 1125085, 2143583, 3132929, 10717915, 15664645, 40728077, 203640385]

約数ペア:

[(1, 203640385), (5, 40728077), (13, 15664645), (19, 10717915), (65, 3132929), (95, 2143583), (181, 1125085), (247, 824455), (905, 225017), (911, 223535), (1235, 164891), (2353, 86545), (3439, 59215), (4555, 44707), (11765, 17309), (11843, 17195)]