78133985

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:321

約数の個数: 32

約数和(自身を含む): 102076800

約数和(自身を除く): 23942815

約数列:

[1, 5, 19, 61, 95, 97, 139, 305, 485, 695, 1159, 1843, 2641, 5795, 5917, 8479, 9215, 13205, 13483, 29585, 42395, 67415, 112423, 161101, 256177, 562115, 805505, 822463, 1280885, 4112315, 15626797, 78133985]

約数ペア:

[(1, 78133985), (5, 15626797), (19, 4112315), (61, 1280885), (95, 822463), (97, 805505), (139, 562115), (305, 256177), (485, 161101), (695, 112423), (1159, 67415), (1843, 42395), (2641, 29585), (5795, 13483), (5917, 13205), (8479, 9215)]