25819528

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:290

約数の個数: 64

約数和(自身を含む): 58060800

約数和(自身を除く): 32241272

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 107, 124, 139, 214, 217, 248, 278, 428, 434, 556, 749, 856, 868, 973, 1112, 1498, 1736, 1946, 2996, 3317, 3892, 4309, 5992, 6634, 7784, 8618, 13268, 14873, 17236, 23219, 26536, 29746, 30163, 34472, 46438, 59492, 60326, 92876, 104111, 118984, 120652, 185752, 208222, 241304, 416444, 461063, 832888, 922126, 1844252, 3227441, 3688504, 6454882, 12909764, 25819528]

約数ペア:

[(1, 25819528), (2, 12909764), (4, 6454882), (7, 3688504), (8, 3227441), (14, 1844252), (28, 922126), (31, 832888), (56, 461063), (62, 416444), (107, 241304), (124, 208222), (139, 185752), (214, 120652), (217, 118984), (248, 104111), (278, 92876), (428, 60326), (434, 59492), (556, 46438), (749, 34472), (856, 30163), (868, 29746), (973, 26536), (1112, 23219), (1498, 17236), (1736, 14873), (1946, 13268), (2996, 8618), (3317, 7784), (3892, 6634), (4309, 5992)]