28991844

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{4261}}^1$

素因数の和:4287

約数の個数: 72

約数和(自身を含む): 86876608

約数和(自身を除く): 57884764

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 243, 252, 324, 378, 486, 567, 756, 972, 1134, 1701, 2268, 3402, 4261, 6804, 8522, 12783, 17044, 25566, 29827, 38349, 51132, 59654, 76698, 89481, 115047, 119308, 153396, 178962, 230094, 268443, 345141, 357924, 460188, 536886, 690282, 805329, 1035423, 1073772, 1380564, 1610658, 2070846, 2415987, 3221316, 4141692, 4831974, 7247961, 9663948, 14495922, 28991844]

約数ペア:

[(1, 28991844), (2, 14495922), (3, 9663948), (4, 7247961), (6, 4831974), (7, 4141692), (9, 3221316), (12, 2415987), (14, 2070846), (18, 1610658), (21, 1380564), (27, 1073772), (28, 1035423), (36, 805329), (42, 690282), (54, 536886), (63, 460188), (81, 357924), (84, 345141), (108, 268443), (126, 230094), (162, 178962), (189, 153396), (243, 119308), (252, 115047), (324, 89481), (378, 76698), (486, 59654), (567, 51132), (756, 38349), (972, 29827), (1134, 25566), (1701, 17044), (2268, 12783), (3402, 8522), (4261, 6804)]