981585948

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{1987}}^1\times {\mathrm{5881}}^1$

素因数の和:7882

約数の個数: 48

約数和(自身を含む): 2619325184

約数和(自身を除く): 1637739236

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 1987, 3974, 5881, 5961, 7948, 11762, 11922, 13909, 17643, 23524, 23844, 27818, 35286, 41167, 41727, 55636, 70572, 82334, 83454, 123501, 164668, 166908, 247002, 494004, 11685547, 23371094, 35056641, 46742188, 70113282, 81798829, 140226564, 163597658, 245396487, 327195316, 490792974, 981585948]

約数ペア:

[(1, 981585948), (2, 490792974), (3, 327195316), (4, 245396487), (6, 163597658), (7, 140226564), (12, 81798829), (14, 70113282), (21, 46742188), (28, 35056641), (42, 23371094), (84, 11685547), (1987, 494004), (3974, 247002), (5881, 166908), (5961, 164668), (7948, 123501), (11762, 83454), (11922, 82334), (13909, 70572), (17643, 55636), (23524, 41727), (23844, 41167), (27818, 35286)]