7872198012

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{158573}}^1$

素因数の和:158787

約数の個数: 72

約数和(自身を含む): 22857490656

約数和(自身を除く): 14985292644

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 197, 252, 394, 591, 788, 1182, 1379, 1773, 2364, 2758, 3546, 4137, 5516, 7092, 8274, 12411, 16548, 24822, 49644, 158573, 317146, 475719, 634292, 951438, 1110011, 1427157, 1902876, 2220022, 2854314, 3330033, 4440044, 5708628, 6660066, 9990099, 13320132, 19980198, 31238881, 39960396, 62477762, 93716643, 124955524, 187433286, 218672167, 281149929, 374866572, 437344334, 562299858, 656016501, 874688668, 1124599716, 1312033002, 1968049503, 2624066004, 3936099006, 7872198012]

約数ペア:

[(1, 7872198012), (2, 3936099006), (3, 2624066004), (4, 1968049503), (6, 1312033002), (7, 1124599716), (9, 874688668), (12, 656016501), (14, 562299858), (18, 437344334), (21, 374866572), (28, 281149929), (36, 218672167), (42, 187433286), (63, 124955524), (84, 93716643), (126, 62477762), (197, 39960396), (252, 31238881), (394, 19980198), (591, 13320132), (788, 9990099), (1182, 6660066), (1379, 5708628), (1773, 4440044), (2364, 3330033), (2758, 2854314), (3546, 2220022), (4137, 1902876), (5516, 1427157), (7092, 1110011), (8274, 951438), (12411, 634292), (16548, 475719), (24822, 317146), (49644, 158573)]