221697864

素因数分解:

$2^3\times 3^3\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{293}}^1$

素因数の和:452

約数の個数: 128

約数和(自身を含む): 643507200

約数和(自身を除く): 421809336

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 31, 36, 54, 62, 72, 93, 108, 113, 124, 186, 216, 226, 248, 279, 293, 339, 372, 452, 558, 586, 678, 744, 837, 879, 904, 1017, 1116, 1172, 1356, 1674, 1758, 2034, 2232, 2344, 2637, 2712, 3051, 3348, 3503, 3516, 4068, 5274, 6102, 6696, 7006, 7032, 7911, 8136, 9083, 10509, 10548, 12204, 14012, 15822, 18166, 21018, 21096, 24408, 27249, 28024, 31527, 31644, 33109, 36332, 42036, 54498, 63054, 63288, 66218, 72664, 81747, 84072, 94581, 99327, 108996, 126108, 132436, 163494, 189162, 198654, 217992, 245241, 252216, 264872, 297981, 326988, 378324, 397308, 490482, 595962, 653976, 756648, 794616, 893943, 980964, 1026379, 1191924, 1787886, 1961928, 2052758, 2383848, 3079137, 3575772, 4105516, 6158274, 7151544, 8211032, 9237411, 12316548, 18474822, 24633096, 27712233, 36949644, 55424466, 73899288, 110848932, 221697864]

約数ペア:

[(1, 221697864), (2, 110848932), (3, 73899288), (4, 55424466), (6, 36949644), (8, 27712233), (9, 24633096), (12, 18474822), (18, 12316548), (24, 9237411), (27, 8211032), (31, 7151544), (36, 6158274), (54, 4105516), (62, 3575772), (72, 3079137), (93, 2383848), (108, 2052758), (113, 1961928), (124, 1787886), (186, 1191924), (216, 1026379), (226, 980964), (248, 893943), (279, 794616), (293, 756648), (339, 653976), (372, 595962), (452, 490482), (558, 397308), (586, 378324), (678, 326988), (744, 297981), (837, 264872), (879, 252216), (904, 245241), (1017, 217992), (1116, 198654), (1172, 189162), (1356, 163494), (1674, 132436), (1758, 126108), (2034, 108996), (2232, 99327), (2344, 94581), (2637, 84072), (2712, 81747), (3051, 72664), (3348, 66218), (3503, 63288), (3516, 63054), (4068, 54498), (5274, 42036), (6102, 36332), (6696, 33109), (7006, 31644), (7032, 31527), (7911, 28024), (8136, 27249), (9083, 24408), (10509, 21096), (10548, 21018), (12204, 18166), (14012, 15822)]