438978848

素因数分解:

$2^5\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{821}}^1$

素因数の和:887

約数の個数: 144

約数和(自身を含む): 1133491968

約数和(自身を除く): 694513120

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 31, 32, 44, 49, 56, 62, 77, 88, 98, 112, 124, 154, 176, 196, 217, 224, 248, 308, 341, 352, 392, 434, 496, 539, 616, 682, 784, 821, 868, 992, 1078, 1232, 1364, 1519, 1568, 1642, 1736, 2156, 2387, 2464, 2728, 3038, 3284, 3472, 4312, 4774, 5456, 5747, 6076, 6568, 6944, 8624, 9031, 9548, 10912, 11494, 12152, 13136, 16709, 17248, 18062, 19096, 22988, 24304, 25451, 26272, 33418, 36124, 38192, 40229, 45976, 48608, 50902, 63217, 66836, 72248, 76384, 80458, 91952, 101804, 126434, 133672, 144496, 160916, 178157, 183904, 203608, 252868, 267344, 279961, 288992, 321832, 356314, 407216, 442519, 505736, 534688, 559922, 643664, 712628, 814432, 885038, 1011472, 1119844, 1247099, 1287328, 1425256, 1770076, 1959727, 2022944, 2239688, 2494198, 2850512, 3540152, 3919454, 4479376, 4988396, 5701024, 7080304, 7838908, 8958752, 9976792, 13718089, 14160608, 15677816, 19953584, 27436178, 31355632, 39907168, 54872356, 62711264, 109744712, 219489424, 438978848]

約数ペア:

[(1, 438978848), (2, 219489424), (4, 109744712), (7, 62711264), (8, 54872356), (11, 39907168), (14, 31355632), (16, 27436178), (22, 19953584), (28, 15677816), (31, 14160608), (32, 13718089), (44, 9976792), (49, 8958752), (56, 7838908), (62, 7080304), (77, 5701024), (88, 4988396), (98, 4479376), (112, 3919454), (124, 3540152), (154, 2850512), (176, 2494198), (196, 2239688), (217, 2022944), (224, 1959727), (248, 1770076), (308, 1425256), (341, 1287328), (352, 1247099), (392, 1119844), (434, 1011472), (496, 885038), (539, 814432), (616, 712628), (682, 643664), (784, 559922), (821, 534688), (868, 505736), (992, 442519), (1078, 407216), (1232, 356314), (1364, 321832), (1519, 288992), (1568, 279961), (1642, 267344), (1736, 252868), (2156, 203608), (2387, 183904), (2464, 178157), (2728, 160916), (3038, 144496), (3284, 133672), (3472, 126434), (4312, 101804), (4774, 91952), (5456, 80458), (5747, 76384), (6076, 72248), (6568, 66836), (6944, 63217), (8624, 50902), (9031, 48608), (9548, 45976), (10912, 40229), (11494, 38192), (12152, 36124), (13136, 33418), (16709, 26272), (17248, 25451), (18062, 24304), (19096, 22988)]