278148416

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{293}}^1$

素因数の和:488

約数の個数: 112

約数和(自身を含む): 685824384

約数和(自身を除く): 407675968

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 163, 182, 208, 224, 293, 326, 364, 416, 448, 586, 652, 728, 832, 1141, 1172, 1304, 1456, 2051, 2119, 2282, 2344, 2608, 2912, 3809, 4102, 4238, 4564, 4688, 5216, 5824, 7618, 8204, 8476, 9128, 9376, 10432, 14833, 15236, 16408, 16952, 18256, 18752, 26663, 29666, 30472, 32816, 33904, 36512, 47759, 53326, 59332, 60944, 65632, 67808, 73024, 95518, 106652, 118664, 121888, 131264, 135616, 191036, 213304, 237328, 243776, 334313, 382072, 426608, 474656, 620867, 668626, 764144, 853216, 949312, 1241734, 1337252, 1528288, 1706432, 2483468, 2674504, 3056576, 4346069, 4966936, 5349008, 8692138, 9933872, 10698016, 17384276, 19867744, 21396032, 34768552, 39735488, 69537104, 139074208, 278148416]

約数ペア:

[(1, 278148416), (2, 139074208), (4, 69537104), (7, 39735488), (8, 34768552), (13, 21396032), (14, 19867744), (16, 17384276), (26, 10698016), (28, 9933872), (32, 8692138), (52, 5349008), (56, 4966936), (64, 4346069), (91, 3056576), (104, 2674504), (112, 2483468), (163, 1706432), (182, 1528288), (208, 1337252), (224, 1241734), (293, 949312), (326, 853216), (364, 764144), (416, 668626), (448, 620867), (586, 474656), (652, 426608), (728, 382072), (832, 334313), (1141, 243776), (1172, 237328), (1304, 213304), (1456, 191036), (2051, 135616), (2119, 131264), (2282, 121888), (2344, 118664), (2608, 106652), (2912, 95518), (3809, 73024), (4102, 67808), (4238, 65632), (4564, 60944), (4688, 59332), (5216, 53326), (5824, 47759), (7618, 36512), (8204, 33904), (8476, 32816), (9128, 30472), (9376, 29666), (10432, 26663), (14833, 18752), (15236, 18256), (16408, 16952)]