131389895

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{97}}^1\times {\mathrm{229}}^1$

素因数の和:364

約数の個数: 48

約数和(自身を含む): 197991360

約数和(自身を除く): 66601465

約数列:

[1, 5, 7, 13, 35, 65, 91, 97, 169, 229, 455, 485, 679, 845, 1145, 1183, 1261, 1603, 2977, 3395, 5915, 6305, 8015, 8827, 14885, 16393, 20839, 22213, 38701, 44135, 81965, 104195, 111065, 114751, 155491, 193505, 270907, 288769, 573755, 777455, 1354535, 1443845, 2021383, 3753997, 10106915, 18769985, 26277979, 131389895]

約数ペア:

[(1, 131389895), (5, 26277979), (7, 18769985), (13, 10106915), (35, 3753997), (65, 2021383), (91, 1443845), (97, 1354535), (169, 777455), (229, 573755), (455, 288769), (485, 270907), (679, 193505), (845, 155491), (1145, 114751), (1183, 111065), (1261, 104195), (1603, 81965), (2977, 44135), (3395, 38701), (5915, 22213), (6305, 20839), (8015, 16393), (8827, 14885)]