28118944

素因数分解:

$2^5\times 7^2\times {\mathrm{79}}^1\times {\mathrm{227}}^1$

素因数の和:330

約数の個数: 72

約数和(自身を含む): 65499840

約数和(自身を除く): 37380896

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 79, 98, 112, 158, 196, 224, 227, 316, 392, 454, 553, 632, 784, 908, 1106, 1264, 1568, 1589, 1816, 2212, 2528, 3178, 3632, 3871, 4424, 6356, 7264, 7742, 8848, 11123, 12712, 15484, 17696, 17933, 22246, 25424, 30968, 35866, 44492, 50848, 61936, 71732, 88984, 123872, 125531, 143464, 177968, 251062, 286928, 355936, 502124, 573856, 878717, 1004248, 1757434, 2008496, 3514868, 4016992, 7029736, 14059472, 28118944]

約数ペア:

[(1, 28118944), (2, 14059472), (4, 7029736), (7, 4016992), (8, 3514868), (14, 2008496), (16, 1757434), (28, 1004248), (32, 878717), (49, 573856), (56, 502124), (79, 355936), (98, 286928), (112, 251062), (158, 177968), (196, 143464), (224, 125531), (227, 123872), (316, 88984), (392, 71732), (454, 61936), (553, 50848), (632, 44492), (784, 35866), (908, 30968), (1106, 25424), (1264, 22246), (1568, 17933), (1589, 17696), (1816, 15484), (2212, 12712), (2528, 11123), (3178, 8848), (3632, 7742), (3871, 7264), (4424, 6356)]