219664965

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{313}}^1$

素因数の和:454

約数の個数: 64

約数和(自身を含む): 392474880

約数和(自身を除く): 172809915

約数列:

[1, 3, 5, 13, 15, 39, 59, 61, 65, 177, 183, 195, 295, 305, 313, 767, 793, 885, 915, 939, 1565, 2301, 2379, 3599, 3835, 3965, 4069, 4695, 10797, 11505, 11895, 12207, 17995, 18467, 19093, 20345, 46787, 53985, 55401, 57279, 61035, 92335, 95465, 140361, 233935, 240071, 248209, 277005, 286395, 701805, 720213, 744627, 1126487, 1200355, 1241045, 3379461, 3601065, 3723135, 5632435, 14644331, 16897305, 43932993, 73221655, 219664965]

約数ペア:

[(1, 219664965), (3, 73221655), (5, 43932993), (13, 16897305), (15, 14644331), (39, 5632435), (59, 3723135), (61, 3601065), (65, 3379461), (177, 1241045), (183, 1200355), (195, 1126487), (295, 744627), (305, 720213), (313, 701805), (767, 286395), (793, 277005), (885, 248209), (915, 240071), (939, 233935), (1565, 140361), (2301, 95465), (2379, 92335), (3599, 61035), (3835, 57279), (3965, 55401), (4069, 53985), (4695, 46787), (10797, 20345), (11505, 19093), (11895, 18467), (12207, 17995)]