399898408

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{809}}^1$

素因数の和:939

約数の個数: 96

約数和(自身を含む): 950178600

約数和(自身を除く): 550280192

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 49, 52, 56, 91, 97, 98, 104, 182, 194, 196, 364, 388, 392, 637, 679, 728, 776, 809, 1261, 1274, 1358, 1618, 2522, 2548, 2716, 3236, 4753, 5044, 5096, 5432, 5663, 6472, 8827, 9506, 10088, 10517, 11326, 17654, 19012, 21034, 22652, 35308, 38024, 39641, 42068, 45304, 61789, 70616, 73619, 78473, 79282, 84136, 123578, 147238, 156946, 158564, 247156, 294476, 313892, 317128, 494312, 515333, 549311, 588952, 627784, 1020149, 1030666, 1098622, 2040298, 2061332, 2197244, 3845177, 4080596, 4122664, 4394488, 7141043, 7690354, 8161192, 14282086, 15380708, 28564172, 30761416, 49987301, 57128344, 99974602, 199949204, 399898408]

約数ペア:

[(1, 399898408), (2, 199949204), (4, 99974602), (7, 57128344), (8, 49987301), (13, 30761416), (14, 28564172), (26, 15380708), (28, 14282086), (49, 8161192), (52, 7690354), (56, 7141043), (91, 4394488), (97, 4122664), (98, 4080596), (104, 3845177), (182, 2197244), (194, 2061332), (196, 2040298), (364, 1098622), (388, 1030666), (392, 1020149), (637, 627784), (679, 588952), (728, 549311), (776, 515333), (809, 494312), (1261, 317128), (1274, 313892), (1358, 294476), (1618, 247156), (2522, 158564), (2548, 156946), (2716, 147238), (3236, 123578), (4753, 84136), (5044, 79282), (5096, 78473), (5432, 73619), (5663, 70616), (6472, 61789), (8827, 45304), (9506, 42068), (10088, 39641), (10517, 38024), (11326, 35308), (17654, 22652), (19012, 21034)]