204400885

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{2909}}^1$

素因数の和:2997

約数の個数: 32

約数和(自身を含む): 281594880

約数和(自身を除く): 77193995

約数列:

[1, 5, 13, 23, 47, 65, 115, 235, 299, 611, 1081, 1495, 2909, 3055, 5405, 14053, 14545, 37817, 66907, 70265, 136723, 189085, 334535, 683615, 869791, 1777399, 3144629, 4348955, 8886995, 15723145, 40880177, 204400885]

約数ペア:

[(1, 204400885), (5, 40880177), (13, 15723145), (23, 8886995), (47, 4348955), (65, 3144629), (115, 1777399), (235, 869791), (299, 683615), (611, 334535), (1081, 189085), (1495, 136723), (2909, 70265), (3055, 66907), (5405, 37817), (14053, 14545)]